Lebewesen die in der Erdgeschichte im Devon gelebt haben.
Aayemenaytcheia
Fistulipora frondosa
Pertica
Aayemenaytcheia paragranulata
Fistulipora megastoma
Pertica quadrifaria
Abacella
Fistulipora tatouhuensis
Perunaspis
Abbreviatocrinites
Fistuliporella
Perunela
Abditoloculina
Fistuliporidra
Perunela bohemica
Abiesgraptus
Fistuliramus
Perunocrinus
Acanthatia
Fistulosospongia
Petaloporella
Acanthatia nupera
Fistulosospongia parallella
Petalosis
Acanthoclema
Fistulotrypa
Petalotrypa
Acanthoclymenia
Fitzroyella
Petraia
Acanthoclymenia forcipifer
Flabellofolium
Petridictyum
Acanthoclymenia genundewa
Flajsella
Petridiostroma
Acanthoclymenia neapolitana
Flajsella schulzei
Petrochus
Acanthocrania
Flajsella stygia
Petrochus conica
Acanthocrania spiculata
Flectoconularia
Petrochus mellaria
Acanthocrinus
Flemingella
Petrochus mouchai
Acanthocrinus benedettoi
Fletcheria
Petrochus praecedens
Acanthodes
Fletcherina incognita
Petrocrania
Acanthograptus
Fletcherviewia
Petronella
Acanthonema
Fletcherviewia septata
Petteroceras
Acanthonema holopiforme
Fleurantia
Petteroceras angustum
Acanthonema laxa
Fleurantia denticulata
Petteroceras errans
Acanthonema newberryi
Flexiostroma
Pexiphyllum
Acanthopecten
Flexiostroma buguchiense
Phacellophyllum
Acanthophyllum
Floripila
Phacopidella
Acanthophyllum clermontense
Floweria
Phacops
Acanthophyllum confusum
Floweria arctostriata
Phacops (Boeckops) algericus
Acanthophyllum trompetti
Floweria becraftensis
Phacops (Omegops) accipitrinus
Acanthopyge
Floweria chemungensis
Phacops (Prokops) chlupaci
Acanthopyge (Acanthopyge) haueri
Floweria crassa
Phacops cristata
Acanthopyge (Jasperia) bifida
Floweria lirella
Phacops granulops
Acanthopyge (Lobopyge) australiformis
Floweria perversa
Phacops lebesus
Acanthopyge (Lobopyge) balliviani
Floweria prava
Phacops rana
Acanthopyge (Lobopyge) bassei
Floweria pseudoelegans
Phacops smoothops
Acanthopyge (Lobopyge) branikensis
Floyda
Phacops spedeni
Acanthopyge (Lobopyge) campbelli
Floyda concentrica
Phaetonellus
Acanthopyge (Lobopyge) docekali
Floyda obliqua
Phanassymetria
Acanthopyge (Lobopyge) parvulus
Flucticharax
Phanerotinus
Acanthopyge (Lobopyge) pragensis
Foliaster
Phanerotinus mundus
Acanthopyge (Lobopyge) sinuata
Foliaster transversus
Phanerotrema
Acanthopyge (Perunaspis) longispinus
Folioceras
Phanerotrema australis
Acanthopyge (Perunaspis) minuta
Follicrinus
Phanerotrema cailliaudi
Acanthopyge contusus
Foordites
Phanerotrema grimburgi
Acanthopyge granulosa
Foordites buttsi
Phanerotrema labrosa
Acanthoscapha
Foordites platypleura
Phanerotrema occidens
Acanthoscapha devonica
Foordites succedens
Phanerotrema perryi
Acanthospirifer
Foordites veniens
Pharciceras
Acanthospirina
Forbesiocrinus
Pharciceras amplexum
Acanthostega gunnari
Fossatrypa
Pharciceras darkaouense
Acanthostictoporella
Fossopora
Pharciceras decoratum
Acanthostictoporella angusta
Fossoporella
Pharciceras evolvens
Acanthotriletes
Fraipontia
Pharciceras fornix
Acastava
Fraipontia bella
Pharciceras involutum
Acaste
Franconiclymenia
Pharciceras kayseri
Acaste andersoni
Francovichia
Pharciceras kseirense
Acaste downingiae
Franklinella
Pharciceras lateseptatum
Acastella
Frechastraea
Pharciceras oberbergense
Acastellina
Frechastraea borealis
Pharciceras oberscheldense
Acastoides
Frechastraea coeni
Pharciceras pargai
Acastoides haddadi
Frechastraea delicatula
Pharciceras subconstans
Acastoides zguilmensis
Frechastraea glabra
Pharciceras tridens
Acervularia
Frechastraea phillipsastraeiformis
Pharetrella
Achguigites
Frechastraea pollicaris
Pharetrolites
Achguigites tafilaltensis
Frechastraea scruttoni
Pharetrolites cristatus
Achistrum
Frechastrea
Pharetrolites vostokovae
Achistrum multiperforatum
Fridolinata
Phaulactis
Achistrum tuto
Fridolinata planannulata
Phenacocyclas
Achistrum varicum
Friedbergia
Phenacocyclas pohli
Achoania
Friedbergia bipartita
Phestia
Achoania jarvikii
Frillbeastia queenslandicus
Phestioides
Acinetaster
Frydacosta
Phialaspis
Acinetaster konieckii
Frydacosta minuta
Philhedra
Acinophyllum
Frydiella
Philhedra acutilirata
Acleistoceras
Frydiella kaimi
Philhedra pulchelloides
Aclisina
Fujispira
Phillipsastrea
Acodina
Fujispira japonica
Phillipsastrea disrupta
Acodina cuspidata
Fulcriphoria
Phillipsastrea givetica
Acodina inoptinata
Fungochitina
Phillipsastrea hollardi
Acodus
Fungochitina pilosa
Phillipsastrea irregularis
Acratia
Furcaster
Phillipsastrea kergarvanensis
Acratia lucea
Furcaster aequoreus
Phillipsastrea maculosa
Acratia simplex
Furcaster cataphractus
Phillipsastrea morzadeci
Acratinella
Furcaster decheni
Phillipsastrea sobolewi
Acrogenia
Furcaster palaeozoicus
Phillipsastrea sparkensis
Acrophyllum
Furcaster zitteli
Philoxene
Acrosaccus
Furculosus
Philoxene argutus
Acrospirifer
Furculosus carpathicus
Philoxene caementarius
Acrospirifer murchisoni
Fuscinipyge
Philoxene cyclostomus
Actinoceras
Fusella
Philoxene laevis
Actinoconchus
Fusispira
Philoxene perprofondus
Actinodesma
Gabelia
Philoxene planiformis
Actinodictyon
Gabelia pedunculus
Philoxene retrorsus
Actinodonta
Gagesiniotrochus
Phimocrinus
Actinolepis
Gagesiniotrochus astralis
Phlyctiscapha
Actinophyllum
Gagesiniotrochus billetti
Phlyctiscapha apleta
Actinopodium
Galbertianus
Phoebodus
Actinopodium nathorstii
Galbertianus hollardi
Phoebodus bifurcatus
Actinopteria
Galeospongia
Phoebodus fastigatus
Actinopteria acinaces
Galeospongia pleraducta
Phoebodus latus
Actinopteria boydi
Gamiroaster
Phoebodus sophiae
Actinopteria resplendens
Gamiroaster tempestatis
Phoenicitoechia
Actinostroma
Gamonedaspis
Phoenicitoechia phoenix
Actinostroma expansum
Gamphalosia
Phoenixites
Actinostroma pachypilatum
Ganxiella
Phoenixites concentricus
Actinostroma quasifenestratum
Ganxiella longa
Phoenixites frechi
Actinostroma redwaterense
Gaofengophyllum
Phoenixites keyserlingi
Actinostroma undulatum
Garwoodia
Phoenixites lenticulus
Actinostromella
Garwoodia gregaria
Phoenixites varicatus
Actinoxylon
Gasterocoma
Pholadella
Actinoxylon banksii
Gasterocoma bicaula
Pholadella (Qiaojiaia) usitata
Aculatostroma
Gastrocrinus
Pholidocidaris
Aculeatarbus
Gastrodetoechia
Pholidostrophia
Aculeatarbus depressus
Gavinia
Phosphannulus
Acutatheca
Gavinia syntrips
Phragmodictya
Acuticryphops
Gaynaphyllum
Phragmophora
Acuticryphops acuticeps
Gaynaphyllum runningense
Phragmophora punctata
Acutimitoceras
Geesops
Phragmosphaera
Acutimitoceras intermedium
Geidoloceras
Phragmosphaera incisus
Acutimitoceras subbilobatum
Geidoloceras ouaoufilalense
Phragmosphaera lyra
Acutiramus
Geisina
Phragmosphaera natator
Adelphobolbina
Geisonoceras
Phragmosphaera ponceti
Adelphobolbina spicata
Geisonocerina
Phragmosphaera triliratus
Adelphobolbina trilobata
Gelasinotarbus
Phragmostrophia
Adiagoceras
Gelasinotarbus bifidus
Phragmostrophia merriami
Adiagoceras taouzense
Gelasinotarbus bonamoae
Phthonia
Adolfia
Gelasinotarbus fimbriunguis
Phyllothecotriletes
Adolfia glypta
Gelasinotarbus heptops
Phymatophyllum
Adolfispirifer
Gelasinotarbus reticulatus
Phymatopleura
Adradosia
Gemininodosa
Phymolepis
Adrenia
Gemininodosa langi
Physallidopora
Aechmina
Gemuendenaspis
Piceaphyllum
Aechminaria
Gemuendenaspis angusta
Pilasporites
Aechminella
Gemuendina
Pillaraspongia
Aemulophyllum
Gemuendina stuertzi
Pillaraspongia ellimberia
Aesopomum
Geniculomclearnites
Pilletina
Aesopomum varistriatus
Gennaeocrinus
Pilophyllum
Aethaspis
Gennaeocrinus maxwelli
Pinacites
Afilasma
Genuclymenia
Pinacites eminens
Afrolobites
Genuspira
Pinacites jugleri
Afrolobites mrakibensis
Genuspira nodosa
Pinacotrypa
Afromaenioceras
Gephuropora
Pinakodendron
Afromaenioceras sulcatostriatum
Gephuropora parvula
Pingtianispira
Afrops
Gephuropora sibirica
Pingtianispira tuberculata
Aganides
Geranocephalus
Pinguispirifer
Agastophyllum
Gerastos
Pinnalongus
Agelacrinites
Gerastos cuvieri
Pinnalongus saxoni
Ageleodus
Gerastos lessensis
Pircawayra
Ageleodus pectinatus
Geroldicrinus
Piriproetus
Aglaoglypta
Gerronostroma
Pisocrinus
Aglaoglypta hicksii
Gerronostroma cracoviensis
Placoblastus
Aglaoglypta koeneni
Gerronostroma septentrionalis
Placocoenites
Aglaoglypta labyrinthodes
Gibberosatrypa
Placocystella
Aglaoglypta maera
Gibbonucula
Placophyllum
Aglaoglypta nactoides
Gigantaspis
Plagiolaria
Aglaoglypta tuberculatus
Gigantocharinus
Plagiostomoceras
Aglaoglypta veeversi
Gigantocharinus szatmaryi
Plagiostomoceras bifrons
Agnesia
Gilbertsocrinus
Plagiostomoceras culter
Agnesia dentatolimata
Gilbertsocrinus alpenensis
Plagiostomoceras lategruenwaldti
Agnesia nodulosa
Gilboaphyton
Plagiostomoceras reticulatum
Agniesella
Gilboaphyton goldringiae
Plagiostomoceras thomasi
Agniesella aratula
Gilboarachne
Plagiothyra
Agniesella cancellata
Gilboarachne griersoni
Plagiothyra archon
Agniesella chudleighensis
Gillocystis
Plagiothyra curlyjigga
Agoniatites
Gillocystis polypoda
Plagiothyra isekei
Agoniatites (Agoniatites) praeceps
Gillocystis runcinata
Plagiothyra multispiralis
Agoniatites annulatus
Gilmocrinus
Plagiothyra nobilis
Agoniatites bicanaliculatus
Ginkgophytopsis
Plagiothyra purpurea
Agoniatites costulatus
Ginkgospongia
Plagiothyra suborbicularis
Agoniatites expansus
Girtyella
Plagiothyra tubericosta
Agoniatites holzapfeli
Girtyella sacculus
Planalveolitella
Agoniatites nodiferus
Girtyocoelia
Planalvus
Agoniatites obliquus
Girvanella
Planalvus rufus
Agramatia
Girvanella problematica
Planatrypa
Aknisophyllum
Gissocrinus
Planetophyllum
Aknisophyllum consuitum
Givediscus
Planicardinia
Akrosphaeorthoceras
Givediscus lahnicus
Planisporites
Akrosphaerorthoceras
Gladiostrophia
Planitrochus
Alaina
Glassia
Planocoenites
Alaionema
Glatziella
Planolites montanus
Alaionema crenulatum
Glatziella diensti
Planoproductus
Alaionema kyrgyzensis
Glatziella glaucopis
Planoproductus hillsboroensis
Alaionema laudabilis
Glatziella minervae
Planorbis
Alaiophyllum
Glatziella silesiaca
Planovatirostrum
Alaiophyllum mackenziense
Glatziella tricincta
Planozone
Alaskacirrus
Globispongia
Planozone ramificans
Alaskacirrus bandeli
Globispongia paffrathi
Plasiochiton
Alaskiella
Globithyris
Plasiochiton curiosus
Alaskiella medfraensis
Globonema
Plasmophyllum
Alaskospira
Globosochonetes
Plasmopora
Alaskozygopleura
Globulirhynchia
Plataspis
Alaskozygopleura crassicostata
Globulirhynchia minima
Platyaxum
Alaskozygopleura gracillium
Glomospira
Platyceras
Alaskozygopleura hainensis
Glomospirella
Platyceras (Orthonychia) aroostooki
Alatiformia
Glosshypothyridina
Platyceras (Orthonychia) compressa
Albadesmus
Glossina lineolata
Platyceras (Orthonychia) compressum
Albadesmus almondi
Glossinotoechia
Platyceras (Orthonychia) conoideum
Albertechinus
Glossinulina
Platyceras ammon
Albertechinus devonicus
Glossinulus
Platyceras argo
Alberticoryphe
Glossites
Platyceras attenuatum
Aldanispirifer
Glossites lingualis
Platyceras bucculentum
Algites
Glossoleptaena
Platyceras carinatum
Alkenia
Glossoleptaena emarginata
Platyceras chapmani
Alkenia mirabilis
Glossus
Platyceras columbinus
Alkenopterus
Glyphella
Platyceras compressus
Alkhovikovia
Glyphella reticulata
Platyceras contortum
Alkhovikovia importuna
Glyphidocrinus
Platyceras contortus
Alkhovikovia libera
Glyptocardia
Platyceras cordatus
Allagecrinus
Glyptohallicardia
Platyceras crassum
Allanaria
Glyptohallicardia multicostata
Platyceras cymbium
Allanaria engelmanni
Glyptohallicardia palmata
Platyceras decorum
Allanella
Glyptostromoides
Platyceras dilatans
Allanella tullius
Glyptotomaria
Platyceras echinatum
Allanetes
Glyptotomaria ciliata
Platyceras edmundi
Allanicytidium
Glyptotomaria genundewa
Platyceras erectum
Allassospongia
Gnathodus
Platyceras galeritus
Allassospongia polystromne
Gogoceras
Platyceras gaspense
Alleynia
Gogoceras nicolli
Platyceras gracilis
Alleynia americana
Goldius
Platyceras guesnini
Allocryptaspis
Goldringia
Platyceras hebes
Allonema
Gomphoceras
Platyceras holzapfeli
Allonema nodosum
Gomphodus
Platyceras humulus
Allonema silurica
Gomphonchus
Platyceras leboutillieri
Allorhynchus
Gondekia
Platyceras lejeunii
Allorisma
Gondekia hastula
Platyceras magnificum
Allotropiophyllum
Gondekia lancifer
Platyceras marylandicum
Alpenoceras
Goniasma
Platyceras multiplicatus
Alpinites
Goniasma zarecznyi
Platyceras nettersheimensis
Alpinites kajraktensis
Goniatites
Platyceras nodosum
Alpinites kayseri
Gonioclymenia
Platyceras oehlerti
Alpinites schultzei
Gonioclymenia corpulenta
Platyceras paralium
Alpinites zigzag
Gonioclymenia hoevelensis
Platyceras pericompsus
Altaiophyllum
Gonioclymenia kiensis
Platyceras perneri
Altajella
Gonioclymenia levis
Platyceras priscum
Altayites
Gonioclymenia subcarinata
Platyceras pulcherrimum
Altayites gerassimovi
Goniomorpha
Platyceras rarispinum
Alternatus
Goniomorpha hamiltonensis
Platyceras reflexum
Alternifenestella
Goniophora
Platyceras rictum
Alternognathus
Goniophoria
Platyceras sigmoidale
Althaspis
Goniostropha bachelieri
Platyceras sinuatum
Althaspis leachi
Goniostropha chapmani
Platyceras spirale
Altshedata
Goniostropha extenuata
Platyceras squamosus
Alveolitella
Goniotremus
Platyceras terminalis
Alveolitella schladensis
Goniotremus insectus
Platyceras thetis
Alveolites
Goniotremus polygonus
Platyceras trojani
Alveolites bergeri
Gordia
Platyceras uncinatus
Alveolites bilsteinensis
Gorgonisphaeridium
Platyceras ussheri
Alveolites fornicatus
Gorgostrophia
Platyceras verrucosum
Alveolites lindensis
Gorizdronia
Platyceras vetusta
Alveolites pseudorbicularis
Gorizdronia soshkinae
Platyceras zinkeni
Alveolites tenuissimus
Gosseletia
Platyclymenia
Amadeodipterus
Gosseletia triquetra
Platyclymenia (Platyclymenia) subnautilina
Amandaraia
Gosseletina
Platyclymenia (Varioclymenia) brevicostata
Amaraphyllum
Gosseletina brondensis
Platyclymenia (Varioclymenia) humilis
Amaraphyllum amoenum
Gosselettia
Platyclymenia (Varioclymenia) pompeckji
Amblysiphonella
Gosselettia triquetra
Platyclymenia annulata
Ambocoelia
Gosslingia
Platyclymenia ibnsinai
Ambocoelia tuberculata
Gosslingia breconensis
Platyclymenia montana
Ambocoelia umbonata
Gotlandochitina
Platycycloides
Amboglossa
Grabinopsis
Platycycloides foraminis
Ambonychia
Grabinopsis guerichi
Platyethmoidia
Ambothyris
Gracianella
Platyethmoidia antarctica
Ambothyris utahensis
Gracilites
Platyloron
Americaspis
Gracilites svetlanae
Platyloron bischoffii
Amissopecten
Gracilopora
Platyloron shaleri
Ammodiscus
Gracilotoechia
Platyorthis
Ammonicrinus
Grammatodon
Platyostoma
Ammonicrinus kerdreoletensis
Grammysia
Platyostoma antiquuis
Amnestostroma
Grandalveolites
Platyostoma cornutum
Amoenophyllites
Grandispora
Platyostoma deforme
Amoenophyllites amoenus
Granulatisporites
Platyostoma delicata
Amoenophyllites doeringi
Graptolites
Platyostoma desmatum
Amoenospirifer
Graticula
Platyostoma euomphaloides
Amosina
Gravia
Platyostoma gebhardi
Amosina pediculorum
Gravia schallreuteri
Platyostoma insolita
Amphelissa
Gravicalymene
Platyostoma invictus
Amphelissa carinatum
Gravicalymene quadrilobata
Platyostoma irrasum
Amphidoxodendron
Grayina
Platyostoma lineata
Amphidoxodendron dichotomum
Greenops
Platyostoma lineatum
Amphigenia
Greenops perijaensis
Platyostoma naticoides
Amphipora
Grifftaylor
Platyostoma perceense
Amphipora amplusa
Grifftaylor antarcticus
Platyostoma speciosum
Amphipora aperta
Griphocrinus
Platyostoma subglobosa
Amphipora moravica
Griphocrinus pirovanoi
Platyostoma triangularis
Amphipora ninglangensis
Gruenewaldtia
Platyostoma tumidum
Amphipora rhapida
Gryphophyllum
Platyostoma turbinata
Amphipora vacuite
Grypophyllum
Platyostoma unisulcata
Amphipsalidocrinus
Grypophyllum benbowi
Platyostoma ventricosum
Amphissites
Grypophyllum jenkinsi
Platypilina
Amphissites (Amphissites) pulcher
Guangxiconcha
Platypilina tardissima
Amphistrophia
Guangxiconcha hechiensis
Platyrachella
Amphizona
Guerangeria
Platyrhomboides
Amplexiphyllum
Guerichia
Platyschisma
Amplexocarinia
Guerichiella
Platyscutellum
Amplexocarinia yunnanensis
Guerichina
Platyspirifer
Amplexoides
Guerichiphyllum
Platyterorhynchus
Amplexopora
Guerichiphyllum kowalense
Playfordia australis
Amplexus
Guerichiphyllum sinense
Playfordicrinus
Ampuloides
Guilinospirifer
Playfordicrinus kellyensis
Amsdenoides
Gundolficeras
Playfordiella
Amydrotaxis
Gundolficeras escoti
Playfordiella capitanea
Anamesocrinus
Gurievskiella
Playfordiella cylindrata
Ananaspis
Gyaloplasma agglomerata
Playfordites
Anapiculatisporites
Gypidula
Playfordites tripartitus
Anarcestes
Gypidula (Gypidula) vultur
Plebejochonetes
Anarcestes applanatus
Gypidula abunda
Plectatrypa
Anarcestes densistriatus
Gypidula biplicata
Plectodonta
Anarcestes lateseptatus
Gypidula cornuta
Plectodonta (Plectodonta) mariae
Anarcestes latissimus
Gypidula loweryi
Plectodonta (Plectodonta) minima
Anarcestes plebeius
Gypidula multicostata
Plectodonta bipartita
Anarcestes praecursor
Gypidula praeloweryi
Plectodonta petila
Anarcestes simulans
Gypidula pseudogaleata
Plectodontella
Anarconcha
Gypidulella
Plectogyra
Anarconcha pulchra
Gypidulina
Plectonotoides gaspensis
Anarthraspis
Gypiduloides
Plectonotoides trilobatus
Anaspyroceras
Gyracanthus
Plectonotus
Anastomopora
Gyroceras
Plectonotus derbyi
Anastrophia
Gyroceratites
Plectonotus dereimsi
Anastrophia grossa
Gyroceratites circularis
Plectonotus laticarinata
Anastrophia magnifica
Gyroceratites glaber
Plectonotus quadrilobatus
Anastrophia verneuili
Gyroceratites gracilis
Plectonotus raricostatus
Anathyris
Gyroceratites heinricherbeni
Plectorhynchella
Anatrypa
Gyroceratites laevis
Plectospathodus extensus
Anatrypa (Variatrypa) licta
Gyrodoma
Plectospira
Anchiopella
Gyrodoma etheridgei
Plectostroma
Anchiopsis
Gyrodoma marylandica
Plectostroma altum
Ancillotoechia
Gyrolithes
Plectostroma inornata
Ancillotoechia ancillans
Gyroma baconnierensis
Plectostroma salairicum
Ancillotoechia aptata
Gyronema
Plectrodus
Ancoradella
Habrostroma
Pleiadeaster
Ancoradella ploeckensis
Habrostroma centrotum
Pleiadeaster inceptus
Ancyrochitina
Hadrophyllum
Pleiopleurina
Ancyrocrinus
Hadrophyllum orbignyi
Pleiopleurina anticlastica
Ancyrocrinus bulbosus
Hadrophyllum woodi
Plethorhyncha
Ancyrocrinus crozonensis
Hadrorhynchia
Pleurochonetes
Ancyrodella
Hadyrhyncha
Pleuroclymenia
Ancyrodella curvata
Hainanema
Pleuroclymenia americana
Ancyrodella nodosa
Hainanema tornatum
Pleuroclymenia costata
Ancyrodella rotundiloba
Halichondrites
Pleuroclymenia cyclocostata
Ancyrodelloides
Halimacanthodes
Pleuroclymenia kasachstanica
Ancyrodelloides kutscheri
Halimacanthodes ahlbergi
Pleuroclymenia mutabilis
Ancyrodelloides limbacarinatus
Hallia
Pleurodapis
Ancyrodelloides omus
Halliella
Pleurodictyum
Ancyrodelloides trigonicus
Hallinetes
Pleuronotus
Ancyrognathus
Hallinetes lineatus
Pleuronotus confusus
Ancyrognathus asymmetrica
Hallinetes setigera
Pleuronotus decewi
Ancyrognathus triangularis
Hallipterus
Pleuronotus tioga
Ancyrolepis
Hallipterus excelsior
Pleurophorella
Andenothyone
Halloceras
Pleurophorella munda
Andinacaste
Halocrinites
Pleurorima
Andinodesma
Halysiocrinus
Pleurorima confertinemilata
Aneimites
Halysiocrinus barrisi
Pleurorima famula
Anetoceras
Halysiocrinus elephantinus
Pleurorima hoffmannae
Anetoceras arduennense
Halysis
Pleurotaunica
Anetoceras elegantulum
Halysites
Pleurotaunica fina
Anetoceras tangdingense
Hamaraxonia
Pleurotaunica subimbricata
Aneurophyton
Hamaraxonia africana
Pleurothyrella
Aneurophyton germanicum
Hamarilopora
Pleurothyrella knodi
Angeisonoceras
Hamarophyllum
Pleurotomaria
Angeisonoceras reteornatum
Hamarophyllum belkai
Pleurotomaria (Euryzone) subterfiss
Anglaspis
Hamiroproetus
Pleurotomaria apicialis
Angochitina
Hamlingella
Pleurotomaria bicoronata
Angulodus
Hamlingella goergesi
Pleurotomaria hisingeri
Angyomphalus
Hammatostroma
Pleurotomaria perversa
Angyomphalus junius
Hammatostroma albertense
Pleurotomaria roemeri
Anisotrypa
Hammatostroma delicatulum
Plexituba
Ankyloceras
Hammatostroma nodosum
Plexodictyon
Anomalocystites
Hanaites
Plicanoplia
Anomalotoechus
Hanaites platus
Plicanoplites
Anomalotoechus ramosus
Hankaxis
Plicathyris
Anomalotoechus typicus
Hankaxis ostentus
Plicatifera
Anomphalus
Hannestheronia
Plicatomurus
Anoplia
Hannestheronia australis
Plicatomurus giganteus
Anoplia elongata
Hanusispira
Plicochonetes
Anopliella
Hanusispira confinis
Plicocyrtina
Anopliella tangxiangensis
Hanusispira fermioni
Plicodendrocrinus
Anoplotheca
Hanusispira fugitiva
Plicogypa
Anoriostoma
Hanusispira hanusi
Plicoplasia
Anoriostoma inusitata
Hanusispira tibidiensis
Plicoplasia cooperi
Anoriostoma sinistra
Hapalocrinus
Plicostropheodonta
Anostylostroma
Haplacanthus
Ploconema
Anostylostroma anfractum
Haplentactinia
Ploconema bohemicum
Anostylostroma intermedium
Haplistion
Ploconema protendens
Anostylostroma metzi
Haplocrinites
Plourdosteus
Anostylostroma phricum
Haplocrinites uzbekistanensis
Plourdosteus canadensis
Anostylostroma qinjiense
Haplolasma
Plourdosteus livonicus
Anostylostroma vacuolatum
Haplothecia
Plumalina
Anostylostroma vesiculosum
Haplothecia schlotheimi
Plumalina gracilis
Antactinodion
Hapsiphyllum
Plumulites
Antactinodion biradiatum
Hapsiphyllum bifurcatum
Plumulites australis
Antarctilamna
Haptophyllum
Pluripharciceras
Antelocoelia
Harperoides
Pluripharciceras orbis
Anthaspidella
Harperoides alaskensis
Pluripharciceras plurilobatum
Anthaspidella multiostia
Harpes
Pneumodesmus
Anthinocrinus
Harpes dvorcensis
Pneumodesmus newmani
Anthinocrinus brevicostatus
Harpes macrocephalus
Podolaspis
Antholites
Harpes neogracilis
Podolaspis lerichei
Anthracoporella
Harpes perradiatus
Podolella
Antigyra
Harpes polaris
Podoliacanthus
Antigyra indentata
Harpes reticulatus
Podoliacanthus zychi
Antihomocrinus
Harpes transiens
Podoliproetus
Antineosteus
Harpidella
Podoliproetus mirdani
Antipleura
Haskinsia
Polenovula
Antipleura (Daiguia) mengziensis
Haskinsia sagittata
Poleumita
Antiquaster
Hattonia
Polidevcia
Antiquaster magrumi
Haughtonaster
Poloniella
Antirhynchonella
Haughtonaster reedi
Poloniella cingulata
Antirotella
Havlicekia
Polonoceras
Antirotella helicinaeformis
Hawletrochus
Polonoceras delepinei
Antirotella kindlei
Hawletrochus macrostomus
Polonospongia
Antirotella pajelli
Hawletrochus pragensis
Polonospongia devonica
Antirotella unica
Healdia
Polonospongia fistulata
Antistrix
Healdia arkonensis
Polybranchiaspis
Antitrochus
Healdia gibba
Polybranchiaspis liaojiaoshanensis
Antitrochus arietinus
Healdia medusaensis
Polybranchiaspis minor
Antitrochus moelleri
Healdiacypris
Polybranchiaspis zhanyiensis
Antizyga
Healdianella
Polycylindrites
Antizyga pagoda
Hebertocaris
Polydeltoideus
Antognathus
Hebertocaris wideneri
Polydeltoideus plasovae
Anulipecten
Hebetoechia
Polyedryxium
Aorocrinus
Hedeia
Polyelasmoceras
Aparchitellina
Hedeina
Polyelasmoceras aduncum
Aparchites
Hederella
Polyentactinia
Apatognathus
Hederella (Hederella) dichotoma
Polyentactinia miopora
Apatognathus lipperti
Hefteria
Polygnathus
Aphroidophyllum
Heideckernema
Polygnathus acrinodosus
Aphrosalpinx
Heideckernema heideckeri
Polygnathus amphora
Aphyctoceras
Heidelbergeria
Polygnathus angustipennatus
Aphyctoceras annulatum
Heidelbergeria czarnieckii
Polygnathus costatus
Aphyllopteris
Heightingtonaspis
Polygnathus damelei
Aphyllum relictum
Heightingtonaspis anglica
Polygnathus decorosa
Apiculatasporites
Heightingtonaspis willsi
Polygnathus denisbriceae
Apiculatisporites
Helaspis
Polygnathus efimovae
Apiculiretusispora
Helenifore
Polygnathus hemipennatus
Apiculiretusispora brandtii
Helenifore laticlavium
Polygnathus holynensis
Apocalymene
Helenifore pilosidiscus
Polygnathus housei
Aporemaspis
Helenifore robustum
Polygnathus ilmenensis
Aporemaspis pholidata
Helenolepis
Polygnathus linguiformis
Apousiella
Helianthaster
Polygnathus normalis
Apparatocycloides
Helianthaster rhenanus
Polygnathus parawebbi
Apparatocycloides satanus
Helicosalpinx
Polygnathus pollocki
Apurocrinus
Helicosalpinx asturiana
Polygnathus pseudoeiflius
Arabellites
Heliolites
Polygnathus pseudofoliatus
Arachnostega
Heliolites barrandei
Polygnathus robertensis
Arachnostega gastrochaenae
Heliolites porosus
Polygnathus salixensis
Arachnoxylon
Heliophylloides
Polygnathus varcus
Arachnoxylon kopfi
Heliophyllum
Polygnathus webbi
Araeonema
Heliophyllum confluens
Polygnathus xylus
Araeonema osterholzensis
Heliophyllum halli
Polylophodonta
Araspirifer
Helioplasma
Polypora
Arastra
Helioplasmolites
Polyspinopora
Arastra torquata
Helioproetus
Polytaxicidaris
Archaelagena
Heliopyge
Polyzygia
Archaeocardium
Helminthochiton
Polyzygia neodevonica
Archaeocidaris
Helminthochiton papilio
Ponderodictya
Archaeomartus
Helminthoidichnites
Ponderodictya punctulifera
Archaeomartus levis
Helopora
Ponderodictya rhodesi
Archaeometa
Hemicosmorthoceras
Ponticeras
Archaeoperisaccus
Hemicosmorthoceras aichae
Ponticeras acutilobatum
Archaeopteris
Hemicosmorthoceras semimbricatum
Ponticeras altaicum
Archaeopteris hibernica
Hemicyclaspis
Ponticeras auritum
Archaeosigillaria
Heminematopora
Ponticeras bisulcatum
Archaeosigillaria conferta
Hemisphaerammina
Ponticeras discoidale
Archaeosigillaria vanuxemi
Hemitoechia
Ponticeras domanicense
Archaeosphera
Hemitrypa
Ponticeras kayseri
Archaeosphera minimus
Hemitrypella
Ponticeras keyserlingi
Archaeosphera wachtbergi
Hemitrypella nekhoroshevi
Ponticeras lebedeffi
Archaeothrix
Henicocystis
Ponticeras orientale
Archaeothrix oscillatoriformis
Henicocystis darraghi
Ponticeras perlatum
Archaesphaera
Hepaticites
Ponticeras regale
Archanarcestes
Heracloceras
Ponticeras tschernyschewi
Archanarcestes kakvensis
Heracrinus
Ponticeras uchtense
Archanarcestes obesus
Hercoceras
Ponticeras uralicum
Archanarcestes pronini
Hercostrophia
Poraspis
Archasterina
Hercynella
Poraspis polaris
Archasterina cornuta
Hermatoporella
Porcellia
Archegonus
Hermatostroma
Porcellia (Porcellia) yukonensis
Archiacoceras
Hermatostroma afghanense
Porcellia denayi
Archidesmus
Hermatostroma astrorhizoides
Porcellia manitobensis
Archidesmus macnicoli
Hermatostroma haultainense
Porcellia neutzeli
Archoceras
Hermatostroma longipilatum
Porolepis
Archoceras angulatum
Hermatostromella
Poroscutellum
Archoceras paeckelmanni
Hermatostromella khalfinae
Porostictia
Archoceras ussheri
Hermatostromella vojachica
Portlockia
Archoceras varicosum
Hernodia
Portlockiella
Arctipeltis
Heroldina
Posidonia
Arctostroma
Herrmannina
Postclymenia
Arctozone
Hesperiella
Postclymenia calceola
Arctozone cooki
Hesperiella canningensis
Postglatziella
Arcuaminetes
Hesperiella lahniensis
Postglatziella carinata
Arcuaria
Hessonia
Posttornoceras
Arcyzona
Hessonia germana
Posttornoceras balvei
Arcyzona apobathrota
Hessonia piligera
Posttornoceras contiguum
Arcyzona bythiclimacota
Hessonia priscus
Posttornoceras glenisteri
Arcyzona campylactinota
Heteralosia
Posttornoceras posthumum
Arcyzona diademata
Heteralosia beecheri
Poteriocrinites
Arcyzona homalosagenota
Heterocrania
Poteriocrinus
Arcyzona rhabdota
Heterocrania rhyniensis
Pradoia
Arduspirifer
Heteroloxonema
Praecardium
Arduspirifer arduennensis
Heteroloxonema moniliniformis
Praectenodonta
Areostrophia
Heterophaulactis
Praedechenella
Argentinaster
Heterophrentis
Praeglyphioceras
Argutastrea
Heterophyllia
Praeglyphioceras kielcense
Argutastrea hullensis
Heteroschisma
Praegnantenia
Arianrhoda
Heterostrotion
Praeidiostroma
Arianrhoda bennetti
Heterotrypa
Praeleda compar
Arionoceras
Hexaclymenia
Praelucina
Arionoceras capillosum
Hexaclymenia hexagona
Praematuratropis
Arisaigia
Hexacrinites
Praematuratropis ovatus
Arisaigia postornata
Hexagonaria davidsoni
Praemeroceras
Aristophyllum
Hexagonaria reedi
Praemeroceras dahmanii
Aristophyllum planotabulatum
Hexatractiella
Praemeroceras globosoides
Arizonella
Hexatractiella nevadensis
Praemichelinia
Arizonella allecta
Hexuraster
Praenatica
Arkonaster
Hexuraster weitzi
Praenatica naticoides
Arkonaster topororum
Hibbardella
Praenatica orthostoma
Arkonoceras
Hibbardia
Praenatica proeva
Armalites
Hibbardia lacrimosa
Praeostrea
Armalites minimus
Hiberotrypa
Praepilatina
Armalites serotinus
Hicetes
Praepilatina silicensis
Armatites
Hicklingia
Praeturbonitella
Armatites planidorsatus
Hicklingia edwardi
Praeturbonitella kochi
Armenoceras
Hilberocladia
Praewaagenoconcha
Arnplexus
Hillaepora
Praewerneroceras
Arnplexus sharburensis
Hillastraea
Praewerneroceras suchomastense
Arthroacantha
Hillastraea floriformis
Pragoloron
Arthrophyllum
Hillastraea georgeae
Pragoloron miser
Arthrophyllum vermiculare
Hillocystis
Pragoloron nummularia
Arthropoma
Hillocystis atracta
Pragoproetus
Asarcophyllum
Hillophyllum
Pragozyga
Asawikwanabe
Hindeodella brevis
Pragozyga costata
Asawikwanabe pauli
Hindeodella equidentata
Pragozyga jerseyense
Ascodictyon
Hindeodella excavata
Pragozyga subtilistriata
Ascopora
Hindeodella subtilis
Pragozyga zwartbergense
Ascopora geirudensis
Hindia
Prastavia
Aseptalium
Hindia sphaeroidalis
Pribylia
Aseptirhynchia
Hipparionix
Pribylites
Aseptonetes
Hipparionoceras
Pricella
Asiacanthus
Hipparionyx
Pricella canalifera
Asiacanthus kaoi
Hipparionyx ereme
Primaspis
Asiacanthus suni
Hipparionyx major
Primaspis (Taemasaspis) campbelli
Asiaspis
Hippocardia
Primipilaria
Asiaspis expansa
Hippocardia angelicum
Primipilaria pripilaroides
Asinomphalus
Hippocardia cumberlandiae
Primitia
Asinomphalus antiqua
Hippocardia hystericum
Primitiella
Asinomphalus kettneri
Hippocardia monroica
Primitiopsis
Asinomphalus protoni
Hippocardia mundulum
Prioniodina
Asinomphalus ruzickai
Hippocardia ohioense
Prioniodina alternata
Asperocrinus
Hippocardia reflexa
Prioniodina excavata
Asperocrinus brevispinosus
Hircinisca
Prioniodina powellensis
Aspidocrinus
Hoareicardia
Prioniodus
Aspidograptus
Hoareicardia cunea
Prionoceras
Aspidotheca
Hoegia
Prionoceras divisum
Aspidotheca fuchsi
Hoegisphaera
Prionoceras frechi
Aspidotheca schrieli
Hoegisphaera glabra
Prionoceras sulcatum
Astarte
Hoeninghausia
Prionopeltis
Asterolepis
Hoeninghausia koswensis
Prionothyris
Asterolepis ornata
Hoeninghausia nalivkini
Priscocaudina
Asterolepis radiata
Hoeninghausia pons
Priscocaudina crucensis
Asteropyge
Hoeninghausia uchtensis
Prismatophyllum
Asterosphaera
Hogmochilina
Prismodictya
Asteroxylon
Holcocystis
Prismopora
Astoceras
Holcocystis flexa
Pristiograptus
Astraeospongium
Hollandiella
Probatoceras
Astralites
Hollandiella curvirostris
Probeloceras
Astralites fimbriatus
Hollandiella lebruni
Probeloceras lutheri
Astralites gamblei
Hollandiella verecunda
Proboscidina
Astralites muelleri
Hollardina
Proboscina
Astralites sublimbatus
Hollardina plana
Processobairdia
Astrictophyllum
Hollardops
Prochorites
Astroviella
Hollardops aithassainorum
Prochorites alveolatus
Astua
Hollina
Procrucibulum
Asturiaspongia
Hollina pyxidata
Procteria
Asturiaspongia aqualiforma
Hollinella
Proctothylacocrinus
Asturiella
Hollinella (Keslingella) antespinosa
Procupressocrinus
Astutorhyncha
Hollinella (Keslingella) labrosa
Procymaclymenia
Astutorhyncha proserpina
Hollinella (Keslingella) pumila
Procymaclymenia ebbighauseni
Astutuaster
Hollinella acutangulata
Prodavidsonia
Astutuaster athleta
Hollinella amplilobata
Prodrevermannia
Astycoryphe
Hollinella auroriradiata
Productella
Astycoryphe jorusi
Hollinella bullata
Productella belanskii
Astyloscyphia
Hollinella cuspibulbata
Productella fragarina
Astyloscyphia irregularia
Hollinella kolmodini
Productella rugatula
Astyloscyphia turbinata
Hollinella lativelata
Productella subaculeata
Astylospongia
Hollinella magnilobata
Productella thomasi
Astylotuba
Hollinella plauta
Productellana
Astylotuba modica
Hollinella porrecta
Productorthis
Asymmetrochonetes
Hollinella productilobata
Productorthis aculeata
Atactotoechus
Hollinella pumila
Productus
Atactotoechus acritus
Hollinella senticosa
Proetides
Atactotoechus cartus
Hollinella vegrandis
Proetopeltis
Atactotoechus cellatus
Holmophyllum
Proetus
Atelodictyon
Holonema
Proetus (Coniproetus) irroratus
Atelodictyon cylindricum
Holonema horrida
Proetus (Crassiproetus) crassimarginatus
Atelodictyon dewalense
Holonema rugosa
Proetus (Crassiproetus) norwoodensis
Atelodictyon flexuosum
Holopea
Progonioclymenia
Atelodictyon morytuense
Holopea iowaensis
Progonioclymenia acuticostata
Atelodictyon ordinatum
Holopella
Progonioclymenia aegoceras
Atelodictyon sphaericum
Holopella contraria
Progonioclymenia ventroplana
Atelodictyon stelliferum
Holopella dextra
Prokopelia
Athyrhynchus
Holoptychius
Prokopelia occludens
Athyris
Holoptychius americanus
Prokopia
Athyris bisulcata
Holoptychius filosus
Prokopites
Athyris concentrica
Holoptychius flemingi
Prokopites holynensis
Athyris globularis
Holoptychius giganteus
Prokops
Athyris spiriferoides
Holoptychius jarviki
Prokops moorei
Athyrisina
Holoptychus flabellatus
Prolationus
Atopacanthus
Holynatrypa
Prolecanites
Atopocystis
Holyneconcha
Prolixicella
Atopocystis mucronata
Holyneconcha splendida
Prolobites aktubensis
Atopostroma
Holynetes
Prolobites auriformis
Atractocrinus
Holynocrinus
Prolobites delphinus
Atracura
Holzapfeloceras
Prolobites ellipticus
Atracura candida
Holzapfeloceras circumflexiferum
Prolobites fabaeformis
Atribonium
Holzapfeloceras convolutum
Prolobites nanus
Atribonium cooperorum
Holzapfeloceras primum
Promopalaeaster
Atribonium gainesi
Homalacanthus
Proninella
Atribonium gregeri
Homalacanthus concinnus
Pronipantex
Atribonium halli
Homalaspidella
Pronipantex planus
Atribonium kernahani
Homalonotus
Proparaparchites
Atribonium nora
Homalophyllum
Propinquoohshimella
Atribonium pingue
Homoctenowakia
Propinquoohshimella remigia
Atribonium prolifica
Homoctenus
Proplectrum
Atribonium rhomboidale
Homoctenus arctus
Proplectrum platum
Atribonium rostratum
Homoctenus crassus
Propora
Atribonium simatum
Homoctenus tikhyi
Propoteriocrinus
Atribonium subovata
Homoeospira
Propoteriocrinus scopae
Atribonium succiduum
Hoplolichas
Proschizophoria
Atribonium swallovi
Horiostoma involutum
Prosocoelus
Atrypa
Hormotomina
Prosoptychus
Atrypa (Gotatrypa) variabilis
Hormotomina fiacrensis
Prosoptychus plenus
Atrypa nevadana
Hormotomina linsleyi
Prosoptychus rotunda
Atrypa oklahomensis
Hormotomina maia
Prosserella
Atrypa oneidensis
Hormotomina penduliobesa
Prosseria
Atrypa reticularis
Horneophyton
Prosseria grandis
Atryparia
Horneophyton lignieri
Protacanthina
Atryparia instita
Hornyzyga
Protacrodus
Atrypella scheii
Hornyzyga altacostatum
Protacrodus vetustus
Atrypina
Hornyzyga camilleriae
Protactoclymenia
Atrypina hami
Hostinella
Protactoclymenia giganta
Atrypina imbricata
Houershanophyllum
Protactoclymenia junggarensis
Atrypina simpsoni
Howella
Protactoclymenia parallela
Atrypinella
Howellella
Protaspis
Atrythyris
Howellella crispa
Protaspis (Cyrtaspidichthys) ovata
Attercopus
Howellella cycloptera
Protaspis (Cyrtaspidichthys) sculpta
Attercopus fimbriunguis
Howellella elegans
Protaspis (Protaspis) brevispina
Attungaia
Howellella textilis
Protaspis (Protaspis) mcgrewi
Auchenaspis
Howellites
Protaster
Aulacella
Howellites amsdeni
Protaster ubaghsi
Aulacolatiaster
Howidipterus
Protasteracanthion
Aulacolatiaster breviramus
Howidipterus donnae
Protasteracanthion primus
Aulacophyllum
Howittia
Protathyris
Aulacopleura
Howittia dushanensis
Proteokalon
Aulacostrepsis
Huananochonetes
Proteokalon petryi
Aulacostrepsis carinthiaca
Hudsonaster
Prothyris
Aulacostrepsis simplex
Hughmilleria
Prothyris contorta
Aulatornoceras
Huginarges
Protobalanus
Aulatornoceras auris
Huginarges frankei
Protobalanus spinicoronatus
Aulatornoceras bickense
Huginarges mathesiorum
Protobarinophyton
Aulatornoceras eifliense
Humboldtiella
Protocalyptraea
Aulatornoceras paucistriatum
Humboldtiella clarkei
Protocalyptraea marshalli
Aulatornoceras rhysum
Hunanophrentis
Protocalyptraea styliophila
Aulatornoceras tumidum
Hunanophrentis abnormis
Protocanites
Aulichnites
Hungerfordia
Protocaudina
Aulocystella
Hungerfordia dichotoma
Protocaudina dulcis
Aulopora
Hunsrueckaster
Protocephalopteris
Aulopora repens
Hunsrueckaster peregrinus
Protocephalopteris praecox
Aulopora serpens
Huntonella
Protochonetes
Aulostegites
Huntoniatonia
Protochthonius
Aureocrinus
Huntoniatonia huntonensis
Protochthonius gilboa
Auriptygma
Hyalostelia
Protocortezorthis
Auriptygma fortior
Hyattechinus
Protocortezorthis windmillensis
Auriptygma minuta
Hydroblastus
Protocycloceras
Austerops
Hydroblastus hendyi
Protocymostrophia
Australina
Hyenia
Protodouvillina
Australirhynchia
Hymenosoma
Protodus
Australocoelia
Hymenosoma opitzi
Protodus jexi
Australocystis
Hymenozonotriletes
Protognathodus
Australonema
Hynerpeton
Protognathodus collinsoni
Australonema acuta
Hynerpeton bassetti
Protognathodus kockeli
Australonema australis
Hyolithes
Protognathodus kuehni
Australonema blodgetti
Hyolithes (Pharetrella) pyramidalis
Protognathodus meischneri
Australonema chico
Hyolithes aclis
Protoholoeciscus
Australonema guillieri
Hyolithes dorbignyi
Protoholoeciscus hindea
Australonema havliceki
Hyostragulum
Protokionoceras
Australonema immersum
Hyperammina
Protolepidodendron
Australonema iniquilineatum
Hyperaspis
Protolepidodendropsis
Australonema lilydalensis
Hyperaspis acclivis
Protoleptostrophia
Australonema melbournensis
Hyperoblastus
Protoleptostrophia perplana
Australonema parva
Hyperstrophema
Protomacgeea
Australonema persimile
Hyperstrophema devonicans
Protomacgeea minor
Australonema wellingtonensis
Hyphantozyga
Protomya
Australophyllum
Hyphantozyga granifera
Protophyllum
Australophyllum cyathophylloides
Hyphasmaphora
Protopteraspis
Australophyllum soghdianum
Hyphasmaphora textiligera
Protopteridium
Australospirifer
Hypomphalocirrus rugosus
Protopteridium hostinense
Australostrophia
Hypotetragona
Protopteridophyton
Australoxa
Hypotetragona aequitalis
Protornoceras
Australoxa anglica
Hypotetragona harrietensis
Protosalvinia
Australoxa tasselli
Hypothyridina
Protosalvinia bilobata
Austroneilsonia
Hypothyridina emmonsi
Protospongia
Austroneilsonia yooi
Hypothyris
Protospongia conica
Austronoplia
Hypselentoma
Protospongia spina
Avelinesia
Hypselocrinus
Prototaxites
Avelinesia antiqua
Hypsomyonia
Protovirgularia
Avicula (TEMPORÄR)
Hysterolites
Protoxyclymenia
Aviculopecten
Hysterolites piger
Protoxyclymenia dunkeri
Aviculopecten terminalis
Hysterolites pinguis
Protoxyclymenia wendti
Avignathus
Hysterolites tritus
Proturritella
Avignathus orthoptera
Hystricoceras
Proturritella historicum
Avonia
Hystricoceras hitchcocki
Psammolepis
Axuolites
Hystrigaster
Psammosphaera
Aztecia
Hystrigaster horridus
Psammosteus
Aztecia mahalae
Ianthinopsis
Psammosteus praecursor
Babinicardia
Ibergia
Psarolepis
Babinicardia clathrata
Ibergia circularis
Psarolepis romeri
Babinicardia ibergense
Ibergia subtrigonalis
Pseudamplexus
Bactrites
Iberofenestella
Pseudaviculopecten
Bactrocrinites
Iberospongia
Pseudendoplectoceras
Bactrocrinites robustus
Iberospongia globulara
Pseudendoplectoceras lahcani
Baculella
Ichnomylax
Pseudestheria
Baelenia
Ichnomylax kurnai
Pseudoactinodictyon
Bainbridgia
Ichthyostega
Pseudoactinodictyon bullulosum
Bainella
Icriodus
Pseudoactinodictyon conglutinatum
Bairdia
Icriodus amabilis
Pseudoactinodictyon zonatum
Bairdia (Urobairdia) angusta
Icriodus brevis
Pseudoactinostroma
Bairdia curta
Icriodus cornutus
Pseudoamplexus
Bairdiacypris
Icriodus expansus
Pseudoatrypa
Bairdianella
Icriodus latericrescens
Pseudoatrypa devoniana
Bairdiocypris
Icriodus marieae
Pseudobactrites
Bairdiocypris gongylus
Icriodus subterminus
Pseudobatostomella
Bairdiocypris rhenana
Icriodus symmetricus
Pseudoblothrophyllum
Bairdiocypris transptyxis
Icriodus woschmidti
Pseudoblothrophyllum arrectum
Bairdiohealdites
Icthyocrinus
Pseudoblothrophyllum helderbergium
Bairdiolites
Idaeumocrinus
Pseudoblothrophyllum munnsvillium
Baituganella
Iddingsella
Pseudochonetes
Balantoides
Idioglyptus
Pseudochonophyllum
Balantoides trilobata
Idiostroma
Pseudoclymenia
Balbiniconcha
Idiostroma moravicum
Pseudoclymenia dillensis
Balbiniconcha hebe
Ignoproetus
Pseudoclymenia orensis
Balbiniconcha kosmasi
Ikella
Pseudoclymenia pseudogoniatites
Balbiniconcha paludinoides
Ildraites
Pseudocryphaeus
Balbinipleura
Illativella
Pseudodechenella
Balbinipleura bohemica
Ilmenia
Pseudodechenella edgecombei
Balbinipleura krawczynskii
Ilmenispina
Pseudodigonophyllum
Balbinipleura sextalineata
Iloerhynchus
Pseudoendophyllum
Baliactis
Imbricatocoelia
Pseudoendophyllum plativesiculosum
Baliactis devonicus
Imitatocrinus
Pseudoendophyllum raclaviense
Baliactis scutatus
Imitoceras
Pseudofidelites
Baliactis tuberatus
Incisoscutum
Pseudofidelites bockwinkeli
Ballistocucumis
Incisoscutum sarahae
Pseudofoordites
Ballistocucumis bimembris
Independatrypa
Pseudofoordites hyperboreus
Baltisphaeridium
Indivisia
Pseudogruenewaldtia
Balvia
Indospirifer
Pseudogrypophyllum
Baragwanathia
Infundibuloceras
Pseudogrypophyllum limatum
Baragwanathia longifolia
Infundibuloceras brevimira
Pseudohexagonaria
Barbaestrophia
Infundibuloceras longicameratum
Pseudohydnoceras
Barinophyton
Infundibuloceras mohamadi
Pseudohydnoceras erraticum
Barocospira
Intexodictyon
Pseudoissinella
Barocospira carnica
Intexodictyon perplexum
Pseudoleda
Barocospira cindiprellerae
Intrapora
Pseudomicroplasma
Barocospira clavicula
Invertrypa
Pseudomitchellia
Barocospira fractus
Invertrypa kelusiana
Pseudomitchellia macqueeni
Barocospira linsleyi
Iowaphyllum
Pseudomphalotrochus
Barrandeicardia
Iowaphyllum schlueteri
Pseudomphalotrochus bonapartensis
Barrandeicardia abrupta
Iowatrypa
Pseudomphalotrochus clarkei
Barrandeina
Ipherron
Pseudomphalotrochus cottrelli
Barrandeina dusliana
Iridistrophia
Pseudomphalotrochus gibsoni
Barrandeophyllum
Iridopteris
Pseudomphalotrochus incrustatus
Barrandeophyllum reimanni
Iridopteris eriensis
Pseudomphalotrochus linsleyi
Barrandeophyllum simplex
Irregulareaspis
Pseudomphalotrochus philosophus
Barroisella
Irregularina
Pseudomphalotrochus winnipegosis
Barroisocaulus
Ischnacanthus
Pseudonuculana
Barroisocaulus asiatica
Isfarispira
Pseudooneotodus
Barroisocaulus davyi
Isfarispira perlata
Pseudooneotodus beckmanni
Barroisocaulus oliveri
Isochilina
Pseudopalaeoporella
Barroisocaulus semiornata
Isonema
Pseudopalmula
Barsassia
Isonema depressum
Pseudoparazyga
Barsassia ornata
Isonema verae
Pseudoparazyga cooperi
Barwickia
Isopoma
Pseudopemmatites
Barwickia downunda
Isopoma triplicatum
Pseudopemmatites fourmarieri
Barwickosteus
Isoprusia
Pseudopetalichthys
Barwickosteus antarcticus
Isorthis
Pseudopetraia
Barychilina
Isorthis (Isorthis) szajnochai
Pseudophorus
Barynema
Isorthis alpha
Pseudophorus antiquus
Barynema lirata
Isorthis festiva
Pseudoplagiothyra
Barynema multilirata
Isorthis pygmaea
Pseudoplagiothyra armatus
Baschkirina
Isospinatrypa
Pseudoplagiothyra praecursor
Baschkirina antiqua
Isostylus
Pseudoplasmopora
Baschkirina ventrocostata
Isostylus vulgaris
Pseudopolygnathus
Bascomella panis
Isotrypa
Pseudoprobeloceras
Bashkirella
Iteacrinus
Pseudoprobeloceras pernai
Basidechenella
Ithacadictya
Pseudoprobeloceras praecox
Basidechenella arkonensis
Ithacadictya cornelli
Pseudoprotathyris
Basidechenella canaliculata
Ivanothyris
Pseudoprotathyris infantilis
Basidechenella cartwrightae
Ivdelephyllum
Pseudorayella
Basidechenella clara
Ivdelina
Pseudoroemeripora
Basidechenella elevata
Ivdelinia
Pseudorthoceras
Basidechenella eriensis
Ivoechiton
Pseudorutoceras
Basidechenella hesionea
Ivoites
Pseudosieberella
Basidechenella lucasensis
Ivoites hunsrueckianus
Pseudosporochnus
Basidechenella maura
Ivoites opitzi
Pseudosporochnus krejcii
Basidechenella nodosa
Ivoites schindewolfi
Pseudosporogonites
Basidechenella pulchra
Jaekelicrinus
Pseudosporogonites hallei
Basidechenella reimanni
Jaekelopterus
Pseudospyroceras
Basidechenella rowi
Jahnia
Pseudospyroceras reticulum
Basidechenella witherspooni
Jahnocrinus
Pseudostromatoporella
Basilicorhynchus
Jakubsonia
Pseudostrophochonetes
Basiplanus
Jakubsonia livnensis
Pseudotectus
Basiplanus baldus
Janeia
Pseudotectus annae
Basseiarges
Janiomya
Pseudotectus carinatus
Basseiarges mellishae
Janius
Pseudotectus comes
Basslerella
Janius nobilis
Pseudotectus conspicuus
Basslerites
Janusella
Pseudotectus scupini
Bassotrochus
Jardamarekia
Pseudotrupetostroma
Bassotrochus angulatus
Jardamarekia enigma
Pseudotrupetostroma pellucida
Bassotrochus serpenteus
Jarovathyris
Pseudotryplasma
Batostomella
Jazwicella
Pseudovictoriacystis
Batteniella
Jazwicella media
Pseudovictoriacystis problematica
Batteniella prantli
Jedria
Pseudowaribole
Battersbyia
Jedria deckeri
Pseudozaphrentis
Baturria
Jefina
Pseudozaphrentis intermissa
Baylea
Jenningsina
Psilodendrion
Baylea teicherti
Jenningsina catenulata
Psilodendrion spinulosum
Baylea verneuili
Joachimastraea
Psilokirkbyella
Beachia
Joachimastraea barrandei
Psilophytites
Beckmannia
Johnsonetes
Psilophyton
Beecherella
Johnsonetes filistriata
Psilophyton dawsonii
Beecheria
Joleaudella
Psilophyton princeps
Beecheroscapha
Joleaudella rotula
Psychopyge
Beecheroscapha puanensis
Jonesina
Psychopyge elegans
Beelarongia
Jonesites
Psychopyge hammerorum
Beelarongia patrichae
Jovellania
Psychopyge praestans
Beichuania ganxiensis
Jovellania buchi
Psydracophyllum
Bekena
Jovellania cheirae
Ptenoceras
Belemnospongia
Junocrinus
Pteraspis
Belemnostroma
Jurinodendron
Pteraspis crouchi
Belenopyge
Jurinodendron brevifolium
Pteraspis dunensis
Belgibole
Kainops
Pteraspis rostrata
Belinurus
Kakisaphyllum
Pteria
Bellacartwrightia
Kakisaphyllum larus
Pterichthyodid
Bellerophon
Kallispira
Pterichthyodid anitarch
Bellerophon (Patellostium) revolvens
Kallispira latostriata
Pterinea
Bellerophon angustomphalus
Kalloclymenia
Pterinocrinus
Bellerophon chapmani
Kalloclymenia (Kalloclymenia) frechi
Pterinopecten
Bellerophon clarki
Kalloclymenia (Kalloclymenia) glabra
Pterinopecten hermes
Bellerophon cresswelli
Kalloclymenia (Kalloclymenia) kozhimensis
Pterinopecten mundus
Bellerophon creswelli
Kalloclymenia (Kalloclymenia) lata
Pterinopectinella
Bellerophon helena
Kalloclymenia (Kalloclymenia) linguilobata
Pterochaenia
Bellerophon hyalina
Kalloclymenia (Kalloclymenia) pachydiscus
Pteronitella
Bellerophon imperforatus
Kalloclymenia (Kalloclymenia) subarmata
Pteronites
Bellerophon lineatus
Kalloclymenia (Otoclymenia) spinosa
Pteroparia
Bellerophon livengoodensis
Kalloclymenia (Otoclymenia) uhligi
Pteroparia ziegleri
Bellerophon nactus
Kamaena
Pterorrhiza
Bellerophon nevadensis
Kampecaris
Pterospermella
Bellerophon newberryi
Kampecaris forfarensis
Pterostrophia
Bellerophon pelops
Kamptoclymenia
Pterygotheca
Bellerophon scheii
Kamptoclymenia endogona
Pterygotus
Bellerophon stummi
Kamptoclymenia trigona
Ptilodictya
Bellerophon subglobatus
Kamptoclymenia trivaricata
Ptilonaster
Bellerophon sverdrupi
Kanashiropora
Ptilonaster princeps
Bellerophon vasulites
Kandosoconcha
Ptiloporella
Bellinurus
Kandosoconcha pembertoni
Ptomatis
Beloceras
Kaplex
Ptomatis africanoides
Beloceras jorfense
Karaclymenia
Ptomatis patulus
Beloceras sagittarium
Karaclymenia saharae
Ptomatis rudis
Beloceras stenumbilicatum
Karbous
Ptychocaulus
Beloceras tenuistriatum
Karinadomella
Ptychocaulus rodneyi
Beloceras webbelense
Karinadomella striata
Ptychocaulus verneuili
Belodella
Karpinskia
Ptychodesma
Belodella resima
Karpinskya
Ptychomaletoechia
Belodina
Kassinella
Ptychomalotoechia
Bembexia
Katabuporhynchus
Ptychomalotoechia sobrina
Bembexia adjutor
Katabuporhynchus mesacostalis
Ptychomphalina
Bembexia babini
Katoptychia
Ptychomphalina convivens
Bembexia gradilispira
Katoptychia alba
Ptychomphalina lucina
Bembexia insolita
Katoptychia enantiomorpha
Ptychomphalina regulata
Bembexia laevis
Katoptychia holynensis
Ptychomphalina reticuloidea
Bembexia larteti
Katunia
Ptychomphalina testis
Bembexia micula
Katuniella
Ptychomphalina vesiculosa
Bembexia minima
Kaulangiophyton
Ptychophyllum
Bembexia neapolitana
Kaulangiophyton akantha
Ptychopleurella
Bembexia seminuda
Kayserella
Ptychopteria
Benesovella
Kayseria
Ptychopteria (Cornellites) fasciculata
Benneviaspis
Kayserops
Ptychopteria vespertilio
Benneviaspis salopiensis
Kayserops tamnrherta
Ptychosphaera
Bensbergia
Kazachstania
Ptychosphaera constricta
Bensbergia altivolvis
Keega
Ptychosphaera convolutus
Bensbergia arculata
Kenichthys
Ptychosphaera thalia
Bensbergia drozdzewski
Kenichthys campbelli
Ptychospirina
Bensbergia fusoidalis
Kentronetes
Ptychospirina mima
Bensbergia pengellii
Kentrospondylus
Ptychospirina varians
Bensbergia pulchra
Kentrospondylus decadactylus
Ptyctodopsis
Bensbergia schlotheimi
Keriophyllum
Ptyctodopsis menzeli
Bensbergia subcostata
Keslingiella
Ptyctodus
Beraunia
Ketophyllum
Ptyctodus calceolus
Beraunia docens
Kettnerammina
Ptylopora
Bergalaria
Kettneraspis
Ptyocephalus
Bergeria
Kettneraspis williamsi
Ptyssoceras
Berounella
Keuppites
Puanophyllum
Bethanyphyllum
Keuppites singulus
Pudoproetus
Beugniesastraea
Kiaclymenia
Pudoproetus missouriensis
Bevocastria
Kiaclymenia laevis
Pugnax
Bevocastria conglobata
Kiaclymenia semiplicata
Pugnax kayseri
Beyrichia
Kiaclymenia uralica
Pugnoides
Biangularia
Kiaeraspis
Punctatisporites
Biangularia frechi
Kiaeria
Punctatrypa
Bicarina
Kidstoniella
Puncticeras
Bicarina coluber
Kielania
Puncticeras lagowiense
Bicarina euomphalus
Kielania waageni
Puncticeras ovatus
Bicarina onoi
Kielcensia
Puncticeras pompeckji
Bicarina petilitornata
Kielcensia ingeniens
Puncticeras schmidti
Bicarinatina
Kielcensia vagabunda
Punctomosea
Bicarinatina kongakutensis
Kielciella
Punctoprimitia
Biconostrophia
Kimatothyris
Punctoprimitia simplex
Bicorium
Kimina
Punctospirifer
Bicornella
Kimina yooi
Punctspinatrypa
Bideirella
Kimognathus
Purkynespira
Bieberiana
Kionelasma
Purkynespira parvulum
Bieberiana gowandense
Kionoceras
Purkynespira reticulata
Bieberiana pugnans
Kirchneriella
Pustulatia
Biernatella
Kirchneriella striata
Pustulatia pustulosa
Bifariostroma
Kirkbya
Putoranaspis
Bifida
Kirkbyella
Pycnomphalus
Biformispira
Kirkbyella (Berdanella) stewartae
Pycnomphalus nummularius
Biformispira isaacsoni
Kirkbyella (Berdanella) unicornis
Pycnosteus
Bigalea
Kirkbyella (Kirkbyella) bellipuncta
Pycnostylus
Bigalea ohioensis
Kirkirhynchus
Pygmaeocrinus
Bigalea yangi
Kirkirhynchus reesidei
Pygolfia
Bigeyella
Kitakamiia
Pyrgocystis
Bigeyella mariae
Kitakamiphyllum
Pyrgopostibulla
Bigeyina
Kitikamispira
Pyrgopostibulla belli
Billingsastraea
Kitikamispira bellense
Qiansispirifer
Biloclymenia
Kitikamispira concinna
Qingmenodus
Biloclymenia aktubensis
Kitikamispira hamiltoniae
Qingmenodus yui
Biloclymenia dubia
Kitikamispira minuitinodosa
Quadratoproetus
Birdsallella
Kitikamispira minutiforma
Quadricarina
Birdsallella devonica
Kitikamispira multistriata
Quadricarina glabrobasis
Birdsallella tumida
Kitikamispira ormistoni
Quadricarina lenticularis
Biseptum
Kitikamispira perstrialis
Quadricarina noklebergi
Bisinocoelia
Kitikamispira speciosum
Quadricarina pioni
Bispathodus
Kitikamispira ukalundensis
Quadricarina senilis
Bituberitina
Klapperina
Quadricarina voltumna
Blasaria
Klaucena
Quadrifarius
Blieckaspis
Klaucena gracilis
Quadrisemicoscinium
Blieckaspis priscillae
Kloedenella
Quadrithyrina
Blodgettina
Kloedenellitina
Quadrithyris
Blodgettina reticulata
Knorria
Quadrithyris minuens
Blodgettinotus
Knoxiella
Quadrithyris vijaicus
Blodgettinotus ornatus
Knoxiella rutkowskiae
Quasiendothyra
Blothrocrinus
Knoxiella truncata
Quasiiregularina
Blothrophyllum
Kochia
Quasillites
Blysmatophyllum
Kodymites
Quasillites concentricus
Blysmatophyllum isisense
Kodymites nestor
Quasillites fordei
Blysmatophyllum multigemme
Koenenia
Quasillites obliquus
Boardmanella
Koenenites
Quasillites sublunatus
Bogoslovskya
Koenenites beckeri
Quasimartinia
Bohemicardia
Koenenites cooperi
Quebecius
Bohemicardia bohemica
Koenenites fasciculatus
Quebecius quebecensis
Bohemipleura
Koenenites juvenocostata
Quiringites
Bohemipleura pragensis
Koenenites styliophilus
Rabienella
Bohemoharpes
Koenenites uralensis
Rackirhynchia
Bohemoharpes hypsipyle
Koharalepis
Radiaspis
Bohemojovellania
Koharalepis jarviki
Radiaspis taghonorum
Bohemojovellania adrae
Kokenia tenuissima
Radiastraea
Bohemojovellania bouskai
Kokenospira
Radiastraea arachne
Bohemojovellania obliquum
Kolihadiscus
Radiastrea
Bohemozyga
Kolihadiscus karlikensis
Radiatrypa
Bohemozyga kettneri
Kolihadiscus somerseti
Radimatrypa
Boiotremus
Kolihadiscus tureki
Radiomena
Boiotremus fortis
Kolihapeltis
Radiophyllum
Boiotremus insignis
Komiella gilberti
Radioscutellum
Bojocoryphe
Komiella magnasulca
Radiosphaera
Bojodouvillina
Komioceras
Radiosphaeroporella
Bojoscutellum
Komioceras stuckenbergi
Radiothalamos
Bojothyris
Koneprusellia
Rafanoglossa
Bojozyga
Koneprusellia invertens
Raistrickia
Bojozyga mira
Koneprusellia zaki
Ramacrinus
Bojozyga parallela
Koneprusia
Ramulophyllum
Bolbozoe
Koneprusia (Koneprusia) brikelos
Ranapeltis
Boliviacrinus
Koneprusia dahmani
Ranunculoproetus
Bollia
Koneprusiella
Rauserina
Boomeraspis
Koneprusites
Raymondiceras
Boomeraspis goujeti
Koneprusites oresibios
Raymondiceras inceptum
Borealirhynchia
Kongielechinus
Raymondiceras simplex
Borealis
Kongielechinus magnituberculatus
Raynerius
Boreania
Kopaninoceras
Raynerius splendens
Boreania minima
Kopaninoceras jucundum
Rebuchia
Borestus hamlingii
Kopficrinus
Rebuchia ovata
Bornhardtina
Kophinocrinus
Receptaculites
Bothriolepis
Kosirium
Rectella
Bothriolepis canadensis
Kosmoclymenia
Rectifenestella
Bothriolepis nitida
Kosmoclymenia (Muessenbiaergia) caucasica
Rectobairdia
Botryllopora
Kosmoclymenia (Muessenbiaergia) marukhensis
Rectobairdia emaciata
Botryocrinus
Kosmoclymenia inaequistriata
Rectoclymenia
Botryocrinus arkonensis
Kosmoclymenia kowalensis
Redstonea
Botryocrinus consolidatus
Kosorodiscus
Redstonia
Botryocrinus helenae
Kosorodiscus ruzickai
Redstonia knaeckei
Botryocrinus sentosus
Kosovopeltis
Reedops
Botryocrinus thomasi
Kotysex
Reedops struveianus
Boucia
Kourazoceras
Reeftonella
Boucotia
Kowalatrochus
Reeftonia
Boucotonotus
Kowalatrochus sanctacrucensis
Refrathella
Boucotonotus snajdri
Kozelconcha
Regulaecystis
Boucotstrophia
Kozelconcha gryphoides
Regulaecystis pleurocystoides
Bouleia
Kozlowskiaspis
Regulaecystis testudineus
Boursella
Kozlowskiella (Megakozlowskiella) velata
Reimannia
Bouskacrinus
Kozlowskiellina
Reimannia aldenense
Bouskacrinus solus
Kralovna
Reimanophyllum
Bouvierphyllum
Kransia
Rellimia
Bouvierphyllum altum
Krasopea
Rellimia thomsonii
Bouvierphyllum cardinalense
Krasopea glabra
Remesia
Bouvierphyllum maclareni
Krasopea solaris
Renalcis
Bowenelasma
Krausella
Renalia
Bracchiothuria
Krithodeophyton
Renalia hueberi
Bracchiothuria ancora
Krithodeophyton croftii
Renaudia
Brachiocrinus
Krolmusium
Reniera verrucosa
Brachipteraspis
Krolmusium chlupaci
Renites
Brachipteraspis latissima
Krotovia
Renites kiensis
Brachydomoceras
Kstutocrinus
Renites striatus
Brachydomoceras erectum
Kuangxiastraea
Rensselaeria
Brachymetopus
Kuangxiastraea laciniosa
Rensselaerina
Brachyprion
Kunthia
Rensselandia cloudi
Brachyprion mirabilis
Kuskokwimia
Reptaria
Brachyschisma
Kuskokwimia moorei
Reptaria stolonifera
Brachyschisma oostheizeni
Kwangsirhynchus
Resserella
Brachyspirifer
Kyklopora
Resserella canalis
Brachyspirifer pinyonoides
Kyklopora tomiensis
Resserella elegantula
Brachythyris
Kymatothyris
Resserella impensa
Brachyzyga
Kyphophyllum
Reteporidra
Bradocryphaeus
Kyraster
Reteporina
Brahmacrinus
Kyraster inermis
Reticestus
Branikia
Kyrtatrypa
Retichonetes
Branzoviella
Labechia
Retichonetes (Sinochonetes) lepidus
Branzoviella talpa
Labechia palliseri
Retichonetes obscurus
Branzovodiscus
Labechiella
Reticularia
Branzovodiscus bajae
Labrocuspis
Reticulariopsis
Branzovya maturoglabra
Labrocuspis kobayashii
Reticulatisporites
Breizhops
Labrocuspis nodosa
Reticulatrypa
Breizospira
Laccognathus
Reticulograptus
Breizospira crozonensis
Laccophyllum
Retispira
Breizospira hagenensis
Lacunoporaspis
Retispira carinatus
Brevibelus
Lacunoporaspis norrisi
Retispira christinae
Brevibelus breviformis
Ladamarekia
Retispira elegans
Brevicoceras
Ladamarekia miranda
Retispira elevata
Brevicoceras magnum
Ladjia
Retispira hohenlimburgensis
Breviphrentis
Ladjia cordillera
Retispira leda
Breviphrentis superstes
Ladogia
Retispira otsego
Breviphyllum
Ladogifornix
Retispira repertus
Breviscutellum
Ladogilina
Retispira reticulatus
Breviseptophyllum
Ladogioides
Retispira retifera
Breviseptosia
Laethoprusia
Retispira schwelmensis
Breviseptosia pulchra
Laevigatosporites
Retispira sullivani
Brevispirifer
Lagenammina
Retispira tasselli
Briantelasma
Lagenochitina
Retrorstrophia
Briantelasma americanum
Lagowites
Retrorstrophia retrorsa
Briantelasma knoxboroense
Lahnia
Retrotornoceras
Briantia
Lahnia froeberi
Retrotornoceras alobatum
Bridgerocrinus
Lahnia infranodosa
Retusotriletes
Brilonella
Lahnospira
Retusotriletes simplex
Brilonella serpens
Lahnospira fasciata
Retzia
Brittagnathus
Lahnospira kayseri
Retziella
Brittagnathus minutus
Lahnospira taeniata
Reversocypris
Broeggeria
Lamelliostroma
Rhabdomeson
Broggeria
Lamelliostroma crassum
Rhabdophyton
Brokenriveria
Laminatia
Rhabdophyton striatus
Brokenriveria caelatus
Laminatia laminata
Rhabdoporella
Brokenriveria pharlapensis
Lampadosocrinus
Rhabdostropha
Brokenriveria virginensis
Lampraspis
Rhachiopteris
Browneella
Lampraspis tuberculata
Rhacophyton
Bruehnopteron
Lanceomyonia
Rhacophyton condrusorum
Bruehnopteron murphyi
Lancicula
Rhadinocrinus
Brunnirhyncha
Lancicula alta
Rhaphidopora
Brutocycloides
Lanea
Rhaphidopora crinalis
Brutocycloides cerebrum
Lanea eoeleanorae
Rhenechinus
Brutopisocrinus
Lanea omoalpha
Rhenocrinus
Bryantodus
Lanea telleri
Rhenocynproetus
Bryantodus dignatus
Langiella
Rhenocynproetus catervus
Bryantodus multidens
Langlieria
Rhenocystis
Bryantodus nobilis
Langlieria socqueti
Rhenomphalus
Bucanella
Langoxylon
Rhenomphalus germanus
Bucania
Langoxylon asterochlaenoideum
Rhenomphalus rota
Bucanophyllum
Lapazites
Rhenops
Bucanopsis
Lapworthura
Rhenops odremani
Bucanospira
Lapworthura lehmanni
Rhenopterus
Bucanospira fractum
Larnovaspis
Rhenopyrgus
Buchanathyris
Laroonaphyllum
Rhenorensselaeria
Buchanathyris pulchra
Laroonaphyllum jacki
Rhenoschizophoria
Buchanathyris westoni
Lasiocrinus
Rhenosquama westfalica
Buchanoceras
Latanarcestes
Rhenostrophia
Buchanoceras graviventrum
Latanarcestes latisellatus
Rhenothyris
Buchiola
Latanarcestes noeggerathi
Rhenozyga
Buchiproetus
Latanarcestes ventroplanus
Rhenozyga reifenstuhli
Buechelia
Latericriodus
Rhenozyga retrostriatum
Buechelia goldfussi
Latonotoechia
Rhinocaris
Buechelia nodifera
Laudonomphalus
Rhinodipterus
Buechelia nodosa
Laudonomphalus pinguicostatus
Rhinodipterus kimberleyensis
Buechelia tyrrelli
Laxaspis
Rhinodipterus stolbovi
Buechelia wachtbergi
Laxaspis qujingensis
Rhinopteraspis
Bufina
Laxaspis rostrata
Rhipidocrinus
Bufina abbreviata
Laxifenestella
Rhipidomella
Bufina curti
Lazutkinia
Rhipidomella missouriensis
Bufina spinulifera
Lecanocrinus
Rhipidomella vanuxemi
Bulbocanthus
Leclercqia
Rhipidomelloides oblata
Bulbocanthus rugosus
Leclercqia complexa
Rhipidothyris
Bullatella
Lecompteia
Rhipidothyris circo
Burdekinostoma
Lecythocrinus
Rhizophylloides
Burdekinostoma burdekinensis
Leda elliptica
Rhizophyllum
Burdikinia
Legrandia
Rhizophyllum bohemicum
Burdikinia burdekinensis
Legrandia sporangifera
Rhizophyllum calceoloides
Buregia
Leioactis
Rhizophyllum compositum
Burmeisterella
Leioactis hunsrueckianus
Rhodocrinites
Burmeisteria
Leioclema
Rhombocladia
Bursachitina
Leioclema confertiporum
Rhombopora
Buschophyllum
Leioclema decipiens
Rhombopora subtilis
Buskopora
Leiodysodonta
Rhombopteria
Buthotrephis
Leiofusa
Rhopalocrinus
Byssopteria
Leiopecten
Rhopalophyllum
Bythocypris
Leioproductus
Rhymokalon
Bythocyproidea
Leioproductus defessa
Rhynchodus
Bythocyproidea eriensis
Leioproductus pauperculus
Rhynchonella
Bythotrephis
Leioproductus plicatus
Rhynchonella tenuistriata
Cabricardium
Leioproductus varispinosus
Rhynchopora
Cabrieroceras
Leiopterella
Rhynchospirifer
Cabrieroceras crispiforme
Leiopterella tetliei
Rhynchospirina
Cabrieroceras housei
Leiopteria
Rhynchotrema
Cabrieroceras plebeiforme
Leiopteria opportuna
Rhynchotrema fringilla
Cairoa
Leiorhynchoidea
Rhynchotreta
Cairoa lamanekii
Leiorhynchus
Rhynia
Calacanthopora senticosa
Leiorhynchus miriam
Rhyniella praecursor
Calamophyton
Leiosphaeridia
Rhyniella vermiformis
Calamophyton primaevum
Leiotriletes
Rhynimonstrum
Calamopitys
Leiotriletes sphaerotriangulus
Rhynimonstrum dunlopi
Calamospora
Lekanophyllum
Rhyniognatha
Calathiops
Lekanophyllum laroonaense
Rhyniognatha hirsti
Calathium
Lenapora
Rhyssochonetes
Calathospongia
Lenapora pulchra
Rhyssochonetes johnsoni
Calathospongia tidioutensis
Lenatoechia
Rhytialosia
Calceola
Lentipleura
Rhytidolasma
Calceola sandalina
Lentipleura klippsteinii
Rhytiophora
Calcisphaera
Lentitheca
Rhytistrophia
Caliapora
Lenzites gesinae
Ricebocrinus
Caliapora pseudoprimitiva
Leonaspis
Ricebocrinus parvus
Caliapora robusta
Leonaspis clavatus
Richina
Caligella
Leonaspis haddanei
Richina subcircularis
Calleocrinus
Leonaspis spinicurva
Richina trinodosa
Calleocrinus bicostatus
Leonaspis wellingtonensis
Richina truncata
Calleocrinus kielcensis
Leonispirifer
Richteria
Callicylix
Leonispirifer leonensis
Richterina
Callipleura
Leperditia
Richterina (Richterina) striatula
Callipleura nobilis
Lepidaspis
Rihamphalus
Callistadia
Lepidechinoides
Rihamphalus gracilis
Callocladia
Lepidocentrus
Riphaeoclymenia
Calloconus
Lepidocentrus rhenanus
Riphaeoclymenia canaliculata
Calloconus concentrica
Lepidocoleus
Riphaeoclymenia polygona
Calloconus coronata
Lepidodendron
Riphaeoclymenia pontotocensis
Calloconus devonica
Lepidodendropsis
Riphaeolites
Calloconus recta
Lepidoleptaena
Riphaeolites magnus
Callograptus
Lepidoleptaena lepidula
Riphaeolites zogtensis
Calloporina
Lepidoproetus
Ripidiorhynchus
Calmonia
Lepidoproetus (Lepidoproetus) splendens
Rishona
Calostylis
Lepidoproetus arenicolus
Rivularia
Calpichitina
Lepidoproetus lepidus
Rochtex
Calvibembexia
Lepidoproetus maharchianus
Roemerella
Calvibembexia lethiersi
Lepidosigillaria
Roemeriella
Calvibembexia sulcomarginata
Lepidosigillaria whitei
Roemeriella alticonus
Calvinaria
Lepocrinites
Roemeriella cyclostomoides
Calvinaria bransoni
Leptaena
Roemeriella octocinctus
Calycanthocrinus
Leptaena (Leptaena) altera
Roemeripora
Calymene
Leptaena acuticuspidata
Roemerolites
Calymene (Gravicalymene) angustior
Leptaena analogaeformis
Romingeria
Camarium
Leptaena argentina
Romingeria umbellifera
Camarocrinus
Leptaena borghiana
Romingerina
Camarophorella
Leptaena boyaca
Romundina
Camarospira
Leptaena nassichuki
Ropalonaria
Camarotoechia
Leptaena quadrilatera
Ropolonellus
Camarotoechia dotis
Leptaena rhomboidalis
Ropolonellus papillatus
Camarotoechia haraganensis
Leptaenisca
Roseoporella
Camarotoechia horsfordi
Leptaenisca concava
Roseoporella heuvelmansi
Camarotoechia prolifica
Leptaenopyxis
Rostrospirifer
Camarotoechia tethys
Leptaenopyxis bouei
Rotasaccus
Camerella
Leptaenopyxis kerfornei
Rotasaccus dentifer
Campophyllum
Leptagonia
Rotellomphalus tardus
Camptocrinus
Leptagonia analoga
Rothella
Camptosalpinx
Leptagonia goldfussiana
Rothpletzia
Camurophyllum
Leptagonia relicta
Rotundacodina
Camuropiscis
Leptalosia
Rotundostrophia
Camuropiscis concinnus
Leptalosia scintilla
Roundya
Camuropiscis laidlawi
Leptathyris
Roundya aurita
Canadiphyllum
Leptathyris index
Roundya laminata
Cancellator
Leptochonetes
Roundya latipennata
Cancellator belua
Leptocoelia
Roundyella
Cancellator rohri
Leptocoelia murphyi
Roussanoffoceras
Cancelloplatyceras
Leptocoelina
Rozmanaria
Cancelloplatyceras abowsheri
Leptocoelina squamosa
Ruanites
Cancellspyroceras
Leptodesma
Ruanites obliquecostatus
Cancellspyroceras loricatum
Leptodesma (Leptodesma) adaroi
Ruanites oriens
Caneyella
Leptodesma (Leptodesma) anatinum
Rudakites
Caninia
Leptodesma (Leptodesma) cultellata
Rudderina
Caninia complexa
Leptodesma (Leptodesma) potens
Rudderina extensa
Caninia tabulata
Leptodesma potens
Rudybole
Canningella expansa
Leptodesma rogersi
Rudybole brecciae
Canningella interrupta
Leptodesma wupperanum
Ruedemannia
Canningella magnipora
Leptodomus
Ruedemannia (Batteniella) calvata
Canningella obconica
Leptodonta
Ruedemannia (Batteniella) rarissima
Canonia
Leptodontella
Ruedemannia trilix
Cantabriastraea
Leptoprimitia
Ruedemannograptus
Canutrypa
Leptoschisma
Rugaltarostrum
Caplinoplia
Leptoschisma pentagonum
Rugauris
Capulus
Leptospira
Rugocytherellina
Carbonita
Leptostrophia
Rugocytherellina ehlersi
Carcinosoma
Leptostrophia affinalata
Rugodavidsonia
Cardiola
Leptostrophia beckii
Rugodavidsonia woodwardiana
Cardiola duplicata
Leptostrophia inequicostella
Rugoleptaena
Cardiolinka
Leptotrypa
Rugosatrypa
Cardiomorpha
Leptotrypella
Rugosatrypa flexibilis
Cardioserra
Leptotrypella (Leptotrypella) amplectens
Rugosochonetes
Cardioserra minima
Leptotrypella (Leptotrypella) asterica
Runcaria
Cardipeltis
Leptotrypella (Leptotrypella) multitecta
Runcaria heinzelinii
Cardipeltis bryanti
Leptotrypella inaudita
Rusophycus biloba
Cardipeltis richardsoni
Leptotrypella pojarkovi
Rutkowskicrinus
Cardipeltis wallacii
Leptozone
Rutkowskicrinus collieri
Cardium
Leptozone esthetica
Rutkowskicrinus patriciae
Cardium palmatum
Lerichea
Rutkowskiella
Cardium vetustum
Lerichea krystofovitchii
Rutkowskiella tumula
Careophyllum
Levenea
Rutoceras
Careophyllum brevilamellatum
Levenea fagerholmi
Ryocarhynchus
Carinagypa
Levenea navicula
Sabella
Carinaropsis
Levenea subcarinata
Saccarchites
Carinatina
Leverhulmia
Saccelatia
Carinatrypa
Leverhulmia mariae
Sacrinus
Cariniferella
Leviconchidiella
Sacrinus gamkaensis
Cariniferella alleni
Levigatella
Sadleria
Cariniferella iowensis
Libumella
Sadleria pansa
Carinoceras
Libyaerhynchus
Saffordotaxis
Carinoceras galeatum
Lichas
Saffordotaxis multispinata
Carinoceras ljaschenkoae
Lichenalia
Salairella prima
Carinoceras menneri
Lievinella
Salairocrinus
Carinoceras vagans
Ligonodina
Salairophyllum
Carinoclymenia
Ligonodina delicata
Salopina
Carinokloedenia
Ligonodina flexuosa
Salopina lunata
Carinonychia
Ligulodictyum
Samarisporites
Carlinastraea
Limanomia
Samarisporites triangulatus
Carlinastraea callosa
Limburgia
Sandbergeroceras
Carolirhynchia
Limburgia lindensis
Sandbergeroceras enfieldense
Carpocrinus
Limburgia squamiferus
Sandbergeroceras syngonum
Carpocrinus chlupaci
Limoptera
Sanguinolites
Cartericardia
Lindstroemia
Sanguinolites unioniformis
Cartericardia artifex
Lineata
Sanidophyllum
Cartericardia costatum
Lineata dannenbergi
Sanidophyllum kirklandense
Cartericardia dubia
Lineata zenkeri
Sanjuanetes
Carydium
Linguaclymenia
Sannemannia
Carydium bellastriatum
Linguaclymenia similis
Sapphicorhynchus
Carydium clarkei
Linguacycloides
Sapphicorhynchus sappho
Carydium globularis
Linguacycloides trapes
Sartenaerus
Carydium sociale
Linguaserra
Saumella
Carydium varicosum
Linguaserra ligula
Savagella
Caryorhynchus
Linguatornoceras
Savagerhynchus
Cassidirostrum
Linguatornoceras clausum
Savagerhynchus hecetaensis
Cassidirostrum eurekaensis
Linguatornoceras guestfalicum
Scabriscutellum
Cassidirostrum vexans
Linguatornoceras haugi
Scabriscutellum hammadi
Cassowarioides
Linguatornoceras holwilli
Scabriscutellum lahceni
Cassowarioides whitei
Linguatornoceras linguum
Scalaetrochus
Casteroceras
Linguatornoceras yudinae
Scalaetrochus fragosus
Catactocrinus
Lingula
Scalaetrochus lindstroemi
Catactotoechus
Lingula complanata
Scalaetrochus sinensis
Catactotoechus angustus
Lingula delia
Scalaetrochus stachei
Catactotoechus bonarensis
Lingula densa
Scalaetrochus subalatus
Catactotoechus wendti
Lingula desiderata
Scalaetrochus vilis
Catantostoma
Lingula ligea
Scalitina
Catantostoma clathratum
Lingula louisianensis
Scalitina montana
Catantostoma waldschmidti
Lingula meeki
Scaphignathus
Catazone
Lingula minima
Scaphina
Catazone eversolensis
Lingula ovata
Scaphiocoelia
Catazone nevadana
Lingula percorrugata
Scaturites
Catena
Lingula spatulata
Scaturites minutus
Catena friata
Lingula squamiformis
Scaumenacia
Cathlorhynchus
Lingulella
Scaumenacia curta
Caudicriodus
Lingulichnus
Scenidium lewisi
Caulopteris
Lingulipora
Scenophyllum
Caulostrepsis
Lingulipora budili
Schaderthalaspis
Caunopora
Lingulodiscina
Scharyia
Cavatisinurostrum
Linguopugnoides
Scharyia angusta
Cavellina
Linograptus
Scharyia brevispinosa
Cavospongiella
Liobole
Scharyia couviniana
Cavospongiella confossa
Lioharpes
Scharyia tafilaltensis
Cayeuxia
Lioharpes crassimargo
Scharyia vesca
Cayugaea
Lioharpes montagnei
Scheielloides
Ceciliaphyllum
Lioharpes venetus
Scheielloides conica
Celaeceras
Lioharpes venulosus
Schellwienella
Celaeceras mirandum
Liomolgocrinus
Schellwienella marcidula
Celaeceras praematurum
Liomphalus
Schinderhannes
Celechopora
Liomphalus disjunctus
Schinderhannes bartelsi
Celechovites
Liospira
Schindewolfia
Celtanoplia
Lissatrypa
Schindewolfia plena
Centauropyge
Lissoclymenia
Schindewolfoceras
Centriproetus
Lissoclymenia wocklumeri
Schindewolfoceras chemungense
Centristela
Lissostrophia
Schindewolfoceras equicostatum
Centroceras
Lissostrophia (Lissostrophia) lindenensis
Schischcatella
Centronella
Litanaia
Schistodictyon
Centronella impressa
Lithophyllum
Schizocrania
Centronella navicella
Litocrinus
Schizodus
Centrorhynchus
Litogyroceras
Schizophoria
Cephalaspis
Litogyroceras spirale
Schizophoria (Eoschizophoria) parafragilis
Cephalaspis acadica
Litophyllum
Schizophoria (Rhenoschizophoria) provulvaria
Cephalaspis campbelltonensis
Littorella
Schizophoria (Schizophoria) australis
Cephalaspis canadensis
Littorella subrugosa
Schizophoria (Schizophoria) impressa
Cephalaspis dawsoni
Littorinides
Schizophoria (Schizophoria) iowensis
Cephalaspis jexi
Littorinides sextalineatus
Schizophoria (Schizophoria) macfarlanii
Cephalaspis novaescotiae
Littorinides subclathratus
Schizophoria amanaensis
Cephalaspis westolli
Livoniana
Schizophoria kutsingensis
Cephalopteris
Livoniana multidentata
Schizophoria lata
Ceramella
Ljudmilispirifer
Schizophoria nevadaensis
Ceramopora
Lobobactrites
Schizophoria paraprima
Ceratarges
Lobobactrites ellipticus
Schizophoria resupinata
Ceratarges aries
Loboplasma
Schizophoria vulvaria
Ceratarges armatus
Loborina
Schizoproetina
Ceratarges cognatus
Lobotornoceras
Schizoproetoides
Ceratarges koumalii
Lobotornoceras bensaidi
Schizoproetoides richteri
Ceratarges ziregensis
Lobotornoceras hassoni
Schizoproetus
Ceratiocaris
Lobotornoceras strangulatum
Schizosteus
Ceratocephala
Lochkothele
Schizostylus
Ceratocephala vexilla
Lochkovella
Schizotreta
Ceratoikiscum
Lockeia
Schlotheimophyllum
Ceratoikiscum calvum
Lockeia siliquaria
Schlueteraster
Ceratoikiscum paragyium
Loculipora
Schlueteraster schlueteri
Ceratoikiscum regalinodus
Lodanaria
Schlueterichonus
Ceratolichas
Lodanaria floryi
Schmidtognathus
Ceratolichas gryps
Lodanaria quadricarinata
Schneideria
Ceratonurus
Loeblichia
Schneideria groosae
Ceratopea
Loganella
Schnurella
Ceratophyllum
Loganellia
Schuchertella
Ceratopora
Loganophyton
Schuchertella haraganensis
Cerberatrypa
Logocrinus
Schuchertella lens
Ceriocysta
Logocrinus geniculatus
Schuchertella percha
Ceriocysta aculeofera
Lonchidium
Schuchertellopsis
Cerithioides
Lonchodina
Schuchertellopsis durbutensis
Cerithioides incomptum
Lonchodina acutula
Schulgina
Cerovoceras
Lonchodina arcuata
Schulgina mutabilis
Cerovoceras brevidomus
Lonchodina brevipennata
Schultzicrinus
Cerovoceras fatimi
Lonchodina greilingi
Schyschcatocrinus
Chabakovia
Lonchodina robusta
Schyschcatocrinus delicatus
Chaetetella
Lonchodina walliseri
Schyschcatocrinus multiformis
Chaetetes
Lonchodus
Sciadophyton
Chaetetipora
Longiproetus
Scissoplasma
Chaetocladus
Longiproetus meiopsifius
Scoliopora
Chalcidophyllum
Longiproetus tenuimargo
Scoliopora denticulata
Chamishaella
Longiscula
Scoliostoma
Champernownia
Longiserra
Scoliostoma dannenbergi
Champernownia champernowni
Longiserra longa
Scoliostoma expansilabrum
Champernownia multispira
Longispina
Scoliostoma megalostoma
Champernownia wagneri
Longispina mucronata
Scoliostomina
Chapinella
Longstaffia
Scoliostomina conoideum
Charactophyllum
Lophiostroma
Scoliostomina gracile
Charionella
Lopholasma
Scoliostomina layensis
Charionoides
Lophonychia
Scolopodus
Charybdaspis
Lophonychia cordata
Scrobicula
Chascothyris
Lorangerella
Scrobicula xysta
Chattaster
Loriolaster
Scruttonia
Chattaster loculus
Loriolaster gracilis
Scruttonia fedorowskii
Chaunoproetus
Loriolaster mirabilis
Scruttonia kunthi
Chauvinia
Lorophyton
Scruttonia sotoi
Chauvinia scharyana
Losvia
Scruttonia sudetica
Chavsakia
Lotzia
Sculptoproetus
Chebbioceras
Lotzia blodgetti
Sculptoproetus raki
Chebbioceras erfoudense
Lotzia neglecta
Sculptoproetus sculptus
Chebbites
Lotzia schaeferkalki
Scutellum
Chebbites lissovi
Loxonema
Scutellum calvum
Chebbites pyshmensis
Loxonema australis
Scutellum decipulum
Cheeneetnukia
Loxonema benevolum
Scutellum droseron
Cheeneetnukia australis
Loxonema bongardia
Scutellum protrusifrons
Cheeneetnukia frydai
Loxonema derelictum
Scyphocrinites
Cheeneetnukia spinosa
Loxonema inclytum
Sedenticellula
Cheilaxonia
Loxonema obsoleta
Selebratina
Cheilaxonia hofmanni
Loxonema obsoletum
Selenella
Cheiloceras
Loxonema postremum
Sellaclymenia
Cheiloceras (Cheiloceras) amblylobum
Loxonema praeteritum
Sellaclymenia ibntufayli
Cheiloceras (Cheiloceras) sacculus
Loxonema rectangulare
Sellaclymenia interrupta
Cheiloceras (Cheiloceras) subpartitum
Loxonema rude
Sellagoniatites
Cheiloceras sacculum
Loxonema solvens
Sellagoniatites erbeni
Cheiloceras verneuili
Loxonema stylum
Sellanarcestes
Cheilotrypa
Loxonema walcotti
Sellanarcestes certus
Cheiopteria
Loxonema wetzlariana
Sellanarcestes cognatus
Cheiracanthoides
Loxophragma
Sellanarcestes crassior
Cheiracanthoides comptus
Loxophragma lechrium
Sellanarcestes ebbighauseni
Cheirolepis canadensis
Loxoplocus (Donaldiella) karczewskii
Sellanarcestes eos
Cheirolepis schultzei
Loxopteria
Sellanarcestes neglectus
Cheiropteraster
Loxopteria dispar
Sellanarcestes perfectus
Cheiropteraster giganteus
Loyolophyllum
Sellanarcestes solus
Cheirurus
Loyolophyllum (Fasciloyolopyllum) qinlingensis
Sellanarcestes tenuior
Cheirurus (Crotalocephalina) oxina
Luanquella
Sellanarcestes wenkenbachi
Chelmastanites
Luciella
Sellinema
Chelodes
Luciella praecursor
Sellinema obtusa
Chia
Lucina
Selwoodites
Chimaerocycloides
Luckeus
Selwoodites cornwallensis
Chimaerocycloides chimaerus
Luckeus abudda
Semaiophyllum magnus
Chimaerothyris
Ludlovia
Semibolbina
Chirodipterus
Ludlovia multispora
Semicoscinium
Chirodipterus onawayensis
Lukesispira
Semicyclus
Chironiptrum
Lukesispira frydai
Semilukispira
Chlamydophyllum
Lukesispira pulchra
Semilukispira petinensis
Chlupacina
Lumbriconereites
Semiproductus
Chlupacispira
Lunaspis
Semiproetus
Chlupacispira spinosa
Lunaspis broilii
Semitextularia
Chlupacites
Lunaspis heroldi
Semitubina
Chlupacites praeceps
Lunostoma
Semitubina spinosa
Chlupacites uralensis
Lunostoma pulchra
Semitubina yukonensis
Choia
Lunulacardium
Senariocrinus
Chomotriletes
Lunulacardium curtum
Sentosia
Chonetes
Lunulacardium ornatum
Septabrunsiina
Chonetes baragwanathi
Lunulicardium bifidocostatum
Septachonetes
Chonetes foedus
Lunulicardium marcellense
Septalaria
Chonetes suavis
Lunupharciceras
Septalaria longisepta
Chonetipustula
Lunupharciceras incisum
Septalaria subtetragona
Chonetipustula carringtoniana
Lunupharciceras lunulicosta
Septaparmella
Chonetipustula concentrica
Lunupharciceras nejjakhense
Septatournayella
Chonetipustula plicata
Lunupharciceras serpentinum
Septatrypa
Chonophyllum
Luofuia
Septatrypa secreta
Chonostegites
Lutocrinus
Septatrypa zelia
Chonostrophia
Lutocrinus boliviaensis
Septothyris
Chonostrophiella
Lycopodites
Seratrypa
Choperella
Lycospora
Serpula
Chostophyllum
Lyginodendron
Serpulites
Chostophyllum apertum
Lyrielasma
Serpulospira
Chostophyllum gregorii
Lyrielasma invisitata
Serpulospira centrifuga
Chostophyllum metula
Lyriopecten
Serpulospira diversiformis
Chotecops
Lyrodesma
Serpulospira eboracensis
Chuanbeiphyllum
Lyropora
Serpulospira laxus
Chuanbeiphyllum impensum
Lysigypa
Serpulospira lituites
Chuanbeiphyllum mikkwaense
Lythophyllum
Serpulospira militaris
Chuchleconus
Lythophyllum proliferum
Serpulospira serpula
Chuchleconus mandai
Macarocrinus
Serpulospira solutus
Chutoceras
Macgea
Serpulospira swickae
Chutoceras manticoides
Macgeea
Serramanticoceras
Chutoceras nundaium
Macgeea camplanulata
Serramanticoceras serratum
Chynistrophia
Macgeea concinnula
Serrulacaulis
Chynithele
Macgeea ponderosa
Serrulacaulis furcatus
Chynithele amoena
Macgeea pustulosa
Serrulatrypa
Cimicinella
Macgeea soraufi
Sestra
Cimicinoides
Machaeracanthus
Shaleria
Cimitaria
Machaeracanthus kayseri
Shaleria (Janiomya) ornatella
Cimitaria guangxiensis
Machaeracanthus peracutus
Shaleriella
Cimrmaniela
Machaeraria
Shimantocrinus
Cimrmaniela smoljaki
Mackenziephyllum
Shishaella
Cimrmaniela sveraki
Mackinneyella
Shoshonia
Cingulochitina
Mackinneyella sibirica
Shoshonia arctopteryx
Cingulodermis
Macluritella
Shuguria
Circellia
Maclurites
Sibirirhynchia
Circellia concava
Macroblepharum
Sibiritoechia
Circophyllum
Macrochilina chattolina
Sichuanoceras
Circulaforma
Macrochilina cyclostoma
Sichuanoceras zizense
Circulaforma admissarius
Macrochilina ejecta
Sicorhyncha
Cirratriradites
Macrochilina elevata
Sieberella
Cladochonus
Macrochilina imbricata
Sieberella problematica
Cladopora
Macrochilina lincta
Sieberella pyriforma
Cladopora bifurcata
Macrochilina meridionalis
Sievertsia tartas
Cladopora corrigia
Macrochilina naticaeformis
Sigambrocrinus
Cladopora lemaitreae
Macrochilina pygmaea
Sigillaria
Cladopora surculus
Macrochilina seneca
Signatops
Cladoxylon
Macrochilina subimbricata
Sigynus
Clariondites
Macrochilina subovata
Sigynus dictyotus
Clariondites tegoideus
Macrochilina whidborni
Silenis
Claritacarpus
Macrocypris
Silenites
Claritacarpus smithi
Macrodomoceras
Silicaster
Clarkeia
Macrodomoceras howitti
Silicaster esseri
Clathrocoilona
Macronotella
Siluracmaea
Clathrocoilona (Clathrocoilona) obliterata
Macropleura
Siluracmaea ovoidea
Clathrocoilona (Clathrocoilona) spissa
Maeneceras
Silurina
Clathrocoilona brunensis
Maeneceras acutolaterale
Siluriphorus
Clathrocoilona crassitexta
Maenioceras terebratum
Siluriphorus antiqua
Clathrocoilona ferepila
Mahalalepis
Simaproetus
Clathrocoilona vexata
Mahalalepis resima
Simicheiloceras
Clathrodictyella
Maideroceras
Similiconcha
Clathrodictyon
Maideroceras muelleri
Similoconcha
Clathrodictyon boreale
Maideroceras sapiens
Similoconcha symmetrica
Clathronema
Maikottaphyllum
Simplexodictyon
Clathronema batteni
Maikottia
Sinacanthus
Clathronema cingulata
Maldybulakia
Sinaxis
Clathronema cloughi
Maldybulakia angusi
Sinaxis bulbosa
Clathronema reticulata
Maldybulakia malcolmi
Sinistracirsa
Clauseniceras
Malluviospongia
Sinistracirsa altera
Clauseniceras expectatum
Malluviospongia densa
Sinistrispira
Clavidictyon
Malurostrophia
Sinistrispira monticola
Clavidictyon praecipuum
Malvinella
Sinochonetes
Clavodalejina
Mamutinetes
Sinodisphyllum
Clavofabella
Manberodus
Sinodisphyllum simplex
Clavofabellina
Manberodus fortis
Sinodisphyllum variable
Cleiothyridina
Mandelacrinus
Sinodora
Cleiothyridina davidsoni
Manitobiella
Sinopora
Clematocrinus
Manitobiella goniostoma
Sinospirifer
Clidochirus
Mannopyge
Sinospongophyllum
Clidophorus
Manocrinus
Sinostrophia
Climatius
Manocrinus maldigitatus
Sinotectirostrum
Clinopistha
Manticoceras
Sinotites
Cliotrypa
Manticoceras adorfense
Sinuitina
Clisiophyllum
Manticoceras ammon
Sinuitina acutilira
Clonocrinus
Manticoceras artum
Sinuitina brevilineatus
Clorinda
Manticoceras carinatum
Sinuitina morzadeci
Clorinda armata
Manticoceras contractum
Sinuitina spinari
Clorindina
Manticoceras cordatum
Siphonodella
Cloudella
Manticoceras drevermanni
Siphonodendron
Clymenia laevigata
Manticoceras eliseevi
Siphonophrentis
Clymenia nana
Manticoceras guppyi
Siphonotreta
Coactilum
Manticoceras insulare
Siyingia
Coactilum straeleni
Manticoceras intumescens
Siyingia altuspinosa
Coccosteus
Manticoceras inversum
Skenidioides
Coccosteus macromus
Manticoceras lamed
Skenidium
Cochlichnus
Manticoceras latisellatum
Skolithos linearis
Cochlichnus anguineus
Manticoceras lyaiolense
Skyphoconcha
Cockbainia
Manticoceras nodifer
Skyphoconcha beichuanensis
Cockbainia palmata
Manticoceras regulare
Slimonia
Codaster
Manticoceras rugosum
Sluzka
Codaster pyramidatus
Manticoceras sinuosum
Smichovia
Codiacrinus
Maoristrophia
Smichovia inepta
Codonocheilus
Maranhites
Smithicyathus
Coelocaulus
Margachitina
Smithiphyllum
Coelocaulus davidsoni
Marginia
Smithiphyllum adnatum
Coelocaulus decipiens
Marginura
Smithiphyllum amplum
Coelocaulus desiderata
Marginura hilleri
Smithiphyllum aquilonium
Coelocaulus lebescontei
Mariacrinus
Smithiphyllum bufalense
Coelocaulus strebloceras
Marisastrum
Smithiphyllum carlsonense
Coelocerodontus
Markitoechia
Smithiphyllum coppi
Coelocladiella
Marsupiocrinus
Smithiphyllum cygnus
Coeloclemis
Martiniella
Smithiphyllum foliatum
Coeloclemis zefrehensis
Martinophyllum
Smithiphyllum frondosum
Coelocyclus
Martinophyllum miriamae
Smithiphyllum humei
Coelocyclus hadroni
Martinophyllum ornatum
Smithiphyllum imbulliferum
Coelocyclus rarissimus
Martinothyris
Smithiphyllum meridianum
Coelocyclus tschernyschevi
Masaraella
Smithiphyllum muratum
Coeloenellina
Masaraella pandora
Smithiphyllum ventosum
Coeloenellina rara
Mastigophiura
Smithocycloides
Coelonella
Mastigophiura grandis
Smithocycloides paulii
Coelonella plana
Mastigospira
Sobolewia
Coelonella scapha
Mastigospira alata
Sobolewia inflata
Coelospira
Mastigospira ingens
Sobolewia nuciformis
Coelospira concava
Mastigospira intermedia
Sobolewia rotella
Coelospira dichotoma
Mastigospira weberae
Sobolewia virginiana
Coelospira pseudocamilla
Mastopora compacta
Sociophyllum
Coelospira pusilla
Maternoceras
Sociophyllum homense
Coelospira virginia
Maternoceras evolutum
Sociophyllum severiacum
Coelospirella
Maternoceras retorquatum
Soetenichia
Coelospirina
Mattaspongia
Soetenichia wachtbergensis
Coeloterorhynchus
Mattaspongia apaches
Solemya
Coelozone
Mauispirifer
Soleniscus
Coelozone hermannsteini
Maurotarion
Solenomorpha
Coenellostroma
Mauryella
Solenopora
Coenites
Mclearnites
Soliclymenia
Coenites dunginensis
Mclearnites invasor
Soliclymenia solarioides
Coenites sharaobensis
Meandrella
Solipetra
Coenostelodictyon
Meandrella sculpta
Solipetra fontainei
Coenostroma
Mecynodon
Sollasina
Coenostroma pustulifera
Medfrazyga
Sollasina westfalica
Coenostroma rarum
Medfrazyga clauticae
Solominella
Coignouina
Mediapora
Somphopora
Coledium
Mediapora elegans
Sorbitorhynchus
Coledium rhomboidale
Mediospirifer
Sorbitorhynchus deleaskitus
Coleolus
Mediospirifer audaculus
Sorosphaera
Coleophyllum
Medusaster
Sowerbyella
Colletostracia
Medusaster rhenanus
Spanila
Collina altemontanus
Meekechinus
Spanionema
Collina exquisitus
Meekospira
Spanionema scalaroides
Collina telescopus
Megachonetes
Spanionema varicosa
Collina whidbornei
Megakozlowskiella
Spathella
Colongina
Megakozlowskiella cooperi
Spathella typica
Coloniacirrus
Megakozlowskiella grayi
Spathognathodus
Coloniacirrus bifida
Megakozlowskiella magnapleura
Spathognathodus asymmetricus
Coloniacirrus primordialis
Megakozlowskiella perlamellosa
Spathognathodus optimus
Colpodexylon
Megakozlowskiella raricosta
Spathognathodus stygius
Colpodexylon deatsii
Megakozlowskiella sculptilis
Spathognathodus transitans
Colpomya
Megalodon
Speotrypa
Coltraneia
Megalodon abbreviatus
Sphaenospira
Coltraneia effelesa
Megalodon cucullatus
Sphaerirhynchia
Columnaria kuallomatensis
Megalomphala
Sphaerirhynchia glomerosa
Columnostroma
Megalopterorhynchus
Sphaerirhynchia lindenensis
Comasphaeridium
Megambonia
Sphaerirhynchia parvula
Combophyllum
Megamyonia
Sphaerochitina
Comiotoechia
Megamyonia arethusa
Sphaerocodium
Composita
Meganterella
Sphaerocyclus
Composita ovata
Meganteris
Sphaerocyclus angustomphalus
Compressiphyllum
Meganteris ovata
Sphaerocyclus bohemicus
Compsaster
Megaradialocrinus
Sphaerocyclus hintzei
Comura
Megaradialocrinus crispus
Sphaerocyclus iners
Concavocycloides
Megastrophia
Sphaerocyclus morganianus
Concavocycloides eifeliensis
Megastrophia (Megastrophia) uralensis
Sphaeromanticoceras
Concavocycloides frasniensis
Megastrophia iddingsi
Sphaeromanticoceras affine
Concavocycloides givetiensis
Megastrophia transitans
Sphaeromanticoceras backlundi
Conchidium
Megistocrinus
Sphaeromanticoceras bullatum
Conchita rhomboidalis
Megistocrinus depressus
Sphaeromanticoceras orbiculum
Condracypris
Megistocrinus pernodosus
Sphaeromanticoceras oxy
Condrusia
Mehlina
Sphaeromanticoceras rhynchostomum
Condrusia rumex
Melanodus
Sphaeromanticoceras rickardi
Congeriomorpha
Melanodus loonesi
Sphaeromanticoceras solnzevi
Congeriomorpha andrusovi
Melanognathus
Sphaerorthoceras
Conicospongia
Melanognathus canadensis
Sphagoblastus
Conicospongia annulata
Melocrinites
Sphagoblastus adectus
Coniculospongia
Melocrinus
Sphenoclymenia
Conilophyllum
Mendacella
Sphenoclymenia plana
Coniproetus
Mennespirifer
Sphenocyclopteridium
Coniproetus bohemicus
Menoeidina
Sphenocyclopteridium belgicum
Coniproetus folliceps
Menoeidina arcuata
Sphenophragmus
Coniproetus laticaudata
Menoeidina paucipunctata
Sphenopteridium
Conocardium
Menoeidina subreniformis
Sphenopteris
Conocardium denticulatum
Menselina
Sphenospira
Conocardium frater
Mephiarges
Sphenothallus
Conocardium gogoensis
Meragoniatites
Sphenotomorpha
Conocardium oehlerti
Meragoniatites meridionalis
Sphenotus solenoides
Conocardium philipsii
Mercedescaudina
Sphooceras
Conocardium sowerbyi
Mercedescaudina langeri
Spinatrypa
Conocardium villmarense
Mericoceras
Spinatrypa (Invertrypa) talis
Conoclisa
Merista
Spinatrypa perflabellata
Conopoterium
Merista herculea
Spinatrypa spinosa
Conotoma
Meristella
Spinatrypa undosa
Conotoma aurora
Meristella haskinsi
Spinatrypina
Contractenus
Meristella robertsensis
Spinatrypina margaritoides
Conularia
Meristelloides
Spinatrypina recula
Converrucosisporites
Meristina
Spinella buchanensis
Convoluticeras
Meristocrinus
Spinella talenti
Convoluticeras nikolaevi
Meristospira
Spinibole
Convoluticeras tenue
Merocycloceras
Spiniscutellum
Convolutispora
Meropharciceras
Spinoalius
Cookiloxa
Meropharciceras disciforme
Spinoalius melekessensis
Cookiloxa amleri
Merriamites
Spinobairdia
Cookiloxa leunisseni
Merriamites eurekae
Spinocarinifera
Cookiloxa pulchra
Mesacanthus
Spinocharinus
Cooksonia
Mesobeloceras
Spinocharinus steinmeyeri
Cooksonia hemisphaerica
Mesobeloceras kayseri
Spinocyrtia
Cooksonia pertoni
Mesobeloceras thomasi
Spinofenestella
Cooperuna
Mesoblastus
Spinophyllum arduum
Copidocatomus
Mesoclymenia
Spinophyllum blacourti
Copidocatomus collarus
Mesoclymenia nalivkinae
Spinophyllum longiseptatum
Cordania
Mesocoelia
Spinophyllum ondra
Cordaspira
Mesocoelia obstipisutura
Spinophyllum prolatum
Cordaspira enigma
Mesocoelia priscum
Spinophyllum spongiosum
Cordatomyonia
Mesocoelia quarki
Spinophyllum zhongguoense
Cordiospongia
Mesoconularia
Spinoplasia
Cordiospongia conica
Mesodouvillina
Spinoplasia roeni
Cordylocrinus
Mesodouvillina (Protocymostrophia) costulata
Spinulicosta
Coremagraptus
Mesodouvillina varistriata
Spinulicosta muirwoodi
Cornellites
Mesofavosites
Spinulicosta navicella
Corniculina
Mesoleptostrophia
Spinulicosta spinulicosta
Cornigella
Mesolites
Spinulrichospira
Cornigella immotipedata
Mesopholidostrophia
Spinulrichospira cheeneetnukensis
Cornikloedenia
Mesoplica
Spinulrichospira churkini
Cornulites
Mesotaxis
Spinyplatyceras
Cornuproetus
Metabactrites
Spinyplatyceras arkonense
Cornuscutellum
Metacanthina
Spinyplatyceras bartlettense
Corocrinus
Metacryphaeus
Spinyplatyceras dumosum
Coronocrinus
Metacryphaeus (Metacryphaeus) caffer
Spinyplatyceras fornicatum
Coronura
Metacryphaeus caffer
Spinyplatyceras milleri
Cortezorthis
Metaplasia
Spinyplatyceras paxiller
Cortezorthis cortezensis
Metaplasia paucicostata
Spinyplatyceras tylotus
Corvaspis
Metarmenoceras
Spiranodus
Corveolepis
Metarmenoceras bilaterale
Spiranodus devonica
Corvinopugnax
Metascutellum
Spiranodus quadrilineatus
Corvinopugnax erinae
Metastyliolina
Spirifer
Coryellina
Metoptoma
Spirifer macrus
Corylispirifer
Metrionaxon
Spiriferina
Corynotrypa
Metrionaxon sinense
Spirigerella
Coscinium
Metrionaxon transitorius
Spirigerella grandis
Cosjuvia
Metrionaxon yunnanense
Spirigerina
Cosmaspis
Metriophyllum
Spirigerina supramarginalis
Cosmaspis transversa
Metrioplexus
Spirina
Cosmetocrinus
Metrocardia
Spirina brilonensis
Cosmina
Michelia
Spirina patula
Cosmogoniophora
Michelia compacta
Spirinella
Costaclymenia
Michelia cylindrica
Spirophyllum
Costaclymenia binodosa
Michelia darwini
Spiropteris
Costaclymenia multicostata
Michelia planogyrata
Spiroraphe pollens
Costalocrinus
Michelia tenue
Spirorbis
Costalocrinus conkini
Michelinia
Spirorbis omphalotes
Costalocrinus consolidatus
Michelinia stylopora
Spirosporadoceras
Costalocrinus dilatatus
Michelinoceras
Spirosporadoceras delicatum
Costalocrinus helenae
Michelinoceras currens
Spirosporadoceras overi
Costalocrinus rex
Michelinoceras michelini
Spongentactinella corynacantha
Costalocrinus sentosus
Micidus
Spongentactinia
Costanoplia
Micrhystridium
Spongentactinia shaijingpoensis
Costatheca
Microalveolites
Spongioalveolites
Costatrypa
Microantyx
Spongioalveolites minimus
Costellirostra
Microantyx praedulcis
Spongioalveolites minor
Costellispirifer
Microcampylus
Spongiophyton
Costispirifer
Microcheilinella
Spongiostroma
Costulatostyliolina
Microcheilinella mariettensis
Spongonaria
Cowiedesmus
Microcheilinella peculiaris
Spongophylloides
Cowiedesmus eroticopodus
Microcyathus
Spongophyllum
Cowielepis
Microcyclus
Spongophyllum (Beugniesastraea) variabilis
Cowielepis ritchiei
Microcyclus multiradiatus
Spongophyllum neomphymoides
Cradeocrinus
Microcyclus praecox
Sporadoceras
Cranaena
Microcyclus roberti
Sporadoceras (Sporadoceras) inflexum
Cranaena lincklaeni
Microcyclus tortuosus
Sporadoceras (Sporadoceras) latilobatum
Cranaena romingeri
Microdoma
Sporadoceras (Sporadoceras) rotundum
Cranaena sullivanti
Microdoma tricarinatus
Sporadoceras (Sporadoceras) teicherti
Crania dodgei
Micromitra
Sporadoceras conforme
Crania rowleyi
Microplasma
Sporadoceras globulosum
Craniops
Microplasma ronense
Sporadoceras impressum
Craniops hamiltoniae
Microreticulatisporites
Sporadoceras muensteri
Crassatellopsis
Microscutellum
Sporadoceras posthumum
Crassialveolites
Microspongia
Sporangites
Crassicyclus
Mictophyllum
Sporogonites
Crassilina
Mictophyllum orientalis
Sporogonites exuberans
Crassimarginata
Miguashaia
Spurispirifer
Crassimarginata crassicosta
Miguashaia bureaui
Spyridiocrinus
Crassimarginata incerta
Miguashaia grossi
Spyroceras
Crassimarginata tenuicosta
Mikkwaphyllum
Spyroceras crotalum
Crassiproetus
Mikkwaphyllum cameroni
Spyroceras cyrtopatronus
Crassiproetus alpenensis
Millepora
Spyroceras latepatronus
Crassiproetus calhounensis
Miltaspis
Spyroceras patronus
Crassiproetus globosus
Mimagoniatites
Squamatina
Crassiproetus halliturgidus
Mimagoniatites angulostriatus
Squameoalveolites
Crassiproetus microgranulatus
Mimagoniatites bohemicus
Squameofavosites
Crassiproetus neoturgidus
Mimagoniatites erbeni
Squameofavosites squamuliferus
Crassiproetus sibleyensis
Mimagoniatites fecundus
Squameopora
Crassiproetus stummi
Mimagoniatites kolymensis
Squamites
Crassiproetus traversensis
Mimagoniatites nearcticus
Squamites modicus
Crassipunctatrypa
Mimanarcestes
Squamites nodosus
Crassotornoceras
Mimanarcestes nalivkini
Squamites regalis
Crassotornoceras annissi
Mimatrypa
Stachyodes
Crassotornoceras crassum
Mimia
Stachyodes costulata
Craterophyllum
Mimimitoceras
Stachyodes jonelrayi
Craticula
Mimimitoceras geminum
Stachyodes radiata
Craticula gotlandica
Mimimitoceras liratum
Staffites
Crenaticaulis
Mimimitoceras rotersi
Staffites curvispinus
Crenistriella
Mimimitoceras transiens
Stainbrookia
Crenistriella armoricana
Mimimitoceras trizonatum
Stainbrookia infera
Crenistriella crenistria
Mimipiscis
Staphylopora
Crenistriella rotalinea
Mimipiscis bartrami
Staurocaudina
Crenulazona
Mimosphinctes
Staurocaudina canina
Crenulazona angulata
Mimosphinctes discordans
Staurocaudina dombrowiana
Crenulazona wuxuanensis
Mimosphinctes erbeni
Staurocephalites
Crenulipora
Mimosphinctes primigenitus
Stauromatidium
Crenulipora difformis
Mimosphinctes tenuicostatus
Steganotheca
Crepidosoma
Mimosphinctes tripartitus
Stegerhynchus
Cribrosphaeroides
Mimosphinctes zlichovensis
Stegerhynchus borealis
Crickites
Mimotornoceras
Stegocoelia
Crickites acutus
Mimotornoceras djemeli
Stegotrachelus
Crickites altaicus
Mimotornoceras numismale
Stegotrachelus finlayi
Crickites holzapfeli
Minervaenema
Steinaspis
Crickites lindneri
Minervaenema minerva
Steinhagella
Crickites neverovi
Minicrinus
Stellaphyllia
Crinisarina
Miniprokopia