'._('einklappen').'
 

† Enantiornithes

Enantiornithes

Weitere Funktionen

Gruppierung

Zugehö­rig zu

Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Nephrozoa  ⇒ Abzweig: Deuterostomia  ⇒ Stamm: Chordata  ⇒ Unterstamm: Vertebrata  ⇒ Infrastamm: Gnathostomata  ⇒ Superklasse: Tetrapoda  ⇒ Serie: Amniota  ⇒ Klade: Sauropsida  ⇒ Infraklasse: Eureptilia  ⇒ ohne Rang: Romeriida  ⇒ Unterklasse: Diapsida  ⇒ Klade: Eosuchia  ⇒ Klade: Neodiapsida  ⇒ Klade: Sauria (Klade)  ⇒ Infraklasse: Archosauromorpha  ⇒ Klade: Archosauriformes  ⇒ ohne Rang: Crurotarsi  ⇒ Klade: Archosauria  ⇒ ohne Rang: Avemetatarsalia  ⇒ Klade: Ornithodira  ⇒ Klade: Dinosauromorpha  ⇒ Klade: Dinosauriformes  ⇒ Überordnung: Dinosauria  ⇒ Ordnung: Saurischia  ⇒ Klade: Theropoda  ⇒ Klade: Neotheropoda  ⇒ ohne Rang: Averostra  ⇒ Klade: Tetanurae  ⇒ Kohorte: Coelurosauria  ⇒ ohne Rang: Maniraptora  ⇒ Unterkohorte: Paraves  ⇒ Klasse: Aves  ⇒ ohne Rang: Pygostylia  ⇒ ohne Rang: Ornithothoraces

Taxo­no­mie Stufe

Unterklasse

Die gezeigte Taxonomie ist der Versuch aus Einstufungen verschiedenster Wissenschaftler eine schlüssige Zuordnung zu treffen. Da sich die Taxonomie durch verfeinerte Untersuchungsmethoden und weitere Funde verändern kann, versteht sich unsere Zuordnung nur als Anhaltspunkt.

Name nach

Ent­spre­chen­der Autor (Name, Jahr)

Walker, 1981

Andere Sprachen

wissenschaftlich

Enantiornithes

Lebenszeitraum in Million Jahren (Ma)

Startalter: 132.9 Ma - Endalter: 66 Ma
Phanerozoic
(Phanerozoikum)
Mesozoic
(Mesozoikum)
Cretaceous
(Kreide)
Upper/Late Cretaceous
(Obere Kreide)
Lower/Early Cretaceous
(Untere Kreide)
Maastrichtian
(Maastricht)
Campanian
(Campan)
Santonian
(Santon)
Coniacian
(Coniac)
Turonian
(Turon)
Cenomanian
(Cenoman)
Albian
(Alb)
Aptian
(Apt)
Barremian
(Barreme)
Hauterivian
(Hauterive)
65.5
70.6
70.6
83.5
83.5
85.8
85.8
89.3
89.3
93.5
93.5
99.6
99.6
112
112
125
125
130
130
136.4

Referenz- und Quellangaben, Literatur

Automatische Verweise auf fremde Internet-Inhalte (Verantwortlichkeit liegt beim Betreiber)

Suche nach Taxonomie bei PaleobioDB.org
Suche nach Taxonomie bei Fossilworks
Suche nach Taxonomie bei The Taxonomicon

Nächst niedrigere Taxonomie-Stufe

Auf gleicher taxonomischer Ebene (Geschwister) (Anzahl: 2)

Fossilzuordnungen (213)

Referenzen von PBDB, Lizenz: CC BY

  • V. Demirjian, 2019 - Camptodontornis gen. nov., a replacement name for the bird genus Camptodontus Li, Gong, Zhang, Yang, and Hou, 2010, a junior homonym of Camptodontus Dejean, 1826 - Zootaxa (4612), 440- (journal article, English)
  • D. Liu, 2019 - Soft tissue preservation in two new enantiornithine specimens (Aves) from the Lower Cretaceous Huajiying Formation of Hebei Province, China - Cretaceous Research (95), 191-207 (journal article, English)
  • M. Wang, 2019 - A new enantiornithine (Aves: Ornithothoraces) with completely fused premaxillae from the Early Cretaceous of China - Journal of Systematic Palaeontology (17), 1299-1312 (journal article, English)
  • L. M. Chiappe, 2019 - New Bohaiornis-like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance - PeerJ (7), e7846- (journal article, English)
  • L. Xing, 2019 - A New Enantiornithine Bird with Unusual Pedal Proportions Found in Amber - (29), 1-6 (journal article, English)
  • J. Atterholt, 2018 - The most complete enantiornithine from North America and a phylogenetic analysis of the Avisauridae - PeerJ (6), e5910-45 (journal article, English)
  • M. Wang, 2017 - A morphological study of the first known piscivorous enantiornithine bird from the Early Cretaceous of China - Journal of Vertebrate Paleontology (37), e1278-13 (journal article, English)
  • M. Wang, 2017 - A bizarre Early Cretaceous enantiornithine bird with unique crural feathers and an ornithuromorph plough-shaped pygostyle - Nature Communications (8), 1414- (journal article, English)
  • Z.-Y. Wei, 2017 - Discovery of a new enantiornithine bird from Lower Cretaceous of western Liaoning, China - Global Geology (36), 655-662 (journal article, English)
  • H. Hu, 2017 - First species of Enantiornithes from Sihedang elucidates skeletal development in Early Cretaceous enantiornithines - Journal of Systematic Palaeontology (15), 909-926 (journal article, English)
  • D. Liu, 2017 - Flight aerodynamics in enantiornithines: Information from a new Chinese Early Cretaceous bird - PLoS ONE (12), e0184- (journal article, English)
  • J. K. O'Connor, 2016 - An enantiornithine with a fan-shaped tail, and the evolution of the rectricial complex in early birds - Current Biology (26), 114-119 (journal article, English)
  • J. K. O'Connor, 2016 - A new Early Cretaceous enantiornithine (Aves, Ornithothoraces) from northwestern China with elaborate tail ornamentation - Journal of Vertebrate Paleontology (36), e1054-13 (journal article, English)
  • Y. Wang, 2016 - A new Jehol enantiornithine bird with three-dimensional preservation and ovarian follicles - Journal of Vertebrate Paleontology (36), e1054-15 (journal article, English)
  • H. Hu, 2015 - A new species of Pengornithidae (Aves: Enantiornithes) from the Lower Cretaceous of China suggests a specialized scansorial habitat previously unknown in early birds - Plos One (10), e0126- (journal article, English)
  • D. Hu, 2015 - Yuanjiawaornis viriosus, gen. et sp. nov., a large enantiornithine bird from the Lower Cretaceous of western Liaoning, China - Cretaceous Research (55), 210-219 (journal article, English)
  • M. Wang, 2015 - Taxonomical reappraisal of Cathayornithidae (Aves: Enantiornithes) - Journal of Systematic Palaeontology (), - (journal article, English)
  • N. V. Zelenkov, 2015 - A historical specimen of enantiornithine bird from the Early Cretaceous of Mongolia representing a new taxon with a specialized neck morphology - Journal of Systematic Palaeontology (), - (journal article, English)
  • I. S. Carvalho, 2015 - A new genus and species of enantiornithine bird from the Early Cretaceous of Brazil - Brazilian Journal of Geology (45), 161-171 (journal article, English)
  • X. Wang, 2015 - New material of Longipteryx (Aves: Enantiornithes) from the Lower Cretaceous Yixian Formation of China with the first recognized avian tooth crenulations - Zootaxa (3941), 565-578 (journal article, English)
  • M. Wang, 2015 - The oldest record of Ornithuromorpha from the Early Cretaceous of China - Nature Communications (6), - (journal article, English)
  • M. Wang, 2015 - Second species of enantiornithine bird from the Lower Cretaceous Changma Basin, northwestern China with implications for the taxonomic diversity of the Changma avifauna - Cretaceous Research (55), 56-65 (journal article, English)
  • M. Wang, 2014 - A new diverse enantiornithine family (Bohaiornithidae fam. nov.) from the Lower Cretaceous of China with information from two new species - Vertebrata PalAsiatica (52), 31-76 (journal article, English)
  • M. Wang, 2014 - A new small enantiornithine bird from the Jehol Biota, with implications for early evolution of avian skull morphology - Journal of Systematic Palaeontology (14), 481-497 (journal article, English)
  • X. Wang, 2014 - Insights into the evolution of rachis dominated tail feathers from a new basal enantiornithine (Aves: Ornithothoraces) - Biological Journal of the Linnean Society (113), 806-819 (journal article, English)
  • M. Wang, 2014 - The first enantiornithine bird from the Upper Cretaceous of China - Journal of Vertebrate Paleontology (34), 135-145 (journal article, English)
  • J. Dalsatt, 2014 - A new Enantiornithes from the Early Cretaceous of China - Acta Geologica Sinica (88), 1034-1040 (journal article, English)
  • Y. Zhang, 2014 - New information on the anatomy of the Chinese Early Cretaceous Bohaiornithidae (Aves: Enantiornithes) from a subadult specimen of Zhourornis hani - PeerJ (2), e407- (journal article, English)
  • M. Wang, 2014 - A new robust enantiornithine bird from the Lower Cretaceous of China with scansorial adaptations - Journal of Vertebrate Paleontology (34), 657-671 (journal article, English)
  • J. K. O'Connor, 2014 - A confuciusornithiform (Aves, Pygostylia)-like tarsometatarsus from the Early Cretaceous of Siberia and a discussion of the evolution of avian hind limb musculature - Journal of Vertebrate Paleontology (34), 647-656 (journal article, English)
  • E. N. Kurochkin, 2013 - An emryonic enantiornithine bird and associated eggs from the Cretaceous of Mongolia - Paleontological Journal (47), 1252-1269 (journal article, English)
  • Z. Zhang, 2013 - A large bird from the Early Cretaceous of China: new information on the skull of enantiornithines - Journal of Vertebrate Paleontology (33), 1176-1189 (journal article, English)
  • J. K. O'Connor, 2013 - The phylogenetic position of Ambiortus: comparison with other Mesozoic birds from Asia - Paleontological Journal (47), 1270-1281 (journal article, English)
  • S. Zhou, 2013 - A new piscivorous ornithuromorph from the Jehol Biota - Historical Biology (), - (journal article, English)
  • J. K. O'Connor, 2013 - A new enantiornithine from the Yixian Formation with the first recognized avian enamel specialization - Journal of Vertebrate Paleontology (33), 1-12 (journal article, English)
  • L. Li, 2012 - A new enantiornithine bird from the Lower Cretaceous Jiufotang Formation in Jinzhou area, western Liaoning Province, China - Acta Geologica Sinica (5), 1039-1044 (journal article, English)
  • D. -Y. Hu, 2012 - A new enantiornithine bird from the Lower Cretaceous of Western Liaoning, China, and its implications for early avian evolution - Journal of Vertebrate Paleontology (32), 639-645 (journal article, English)
  • S.-A. Ji, 2011 - A new, three-dimensionally preserved enantiornithine bird (Aves: Ornithothoraces) from Gansu Province, north-western China - Zoological Journal of the Linnean Society (162), 201-219 (journal article, English)
  • J. M. O'Connor, 2011 - A reappraisal of Boluochia zhengi (Aves: Enantiornithes) and a discussion of intraclade diversity in the Jehol avifauna, China - Journal of Systematic Palaeontology (9), 51-63 (journal article, English)
  • L. Li, 2011 - Discovery of a new bird (Enantiornithines) from Lower Cretaceous in western Liaoning, China - Journal of Jilin University (41), 759-763 (journal article, Chinese)
  • J. K. O'Connor, 2011 - Anatomy of the Early Cretaceous enantiornithine bird Rapaxavis pani - Acta Palaeontologica Polonica (56), 463-475 (journal article, English)
  • D. Hu, 2011 - A new enantiornithine bird from the Lower Cretaceous of western Liaoning, China - Journal of Vertebrate Paleontology (31), 154-161 (journal article, English)
  • R. S. Tykoski, 2010 - An entantiornithine bird from the lower middle Cenomanian of Texas - Journal of Vertebrate Paleontology (30), 288-292 (journal article, English)
  • F. E. Novas, 2010 - New enantiornithine bird (Aves, Ornithothoraces) from the Late Cretaceous of NW Argentina - Comptes Rendus Palevol (9), 499-503 (journal article, English)
  • X. Wang, 2010 - New species of Enantiornithes (Aves: Ornithothoraces) from the Qiaotou Formation in northern Hebei, China - Acta Geologica Sinica (84), 247-256 (journal article, English)
  • Z. -H. Zhou, 2010 - Vertebrate diversity of the Jehol Biota as compared with other Lagerstätten - Science China, Earth Sciences (53), 1895-1907 (journal article, English)
  • J. O'Connor, 2010 - A reassessment of Sinornis santensis and Cathayornis yandica (Aves: Enantiornithes) - Proceedings of the VII International Meeting of the Society of Avian Paleontology and Evolution. Records of the Australian Museum (62), 7-20 (book/book chapter, English)
  • G. J. Dyke, 2010 - A review of Late Cretaceous fossil birds from Hungary - Geological Journal (45), 434-444 (journal article, English)
  • L. Li, 2010 - [A new enantiornithine bird (Aves) from the Early Cretaceous of Liaoning, China] - Acta Palaeontologica Sinica (49), 524-531 (journal article, Chinese)
  • X. Wang, 2010 - A new enantiornithine bird from the Early Cretaceous of western Liaoning, China - The Condor (112), 432-437 (journal article, English)
  • E. M. Morschhauser, 2009 - Anatomy of the Early Cretaceous bird Rapaxavis pani, a new species from Liaoning Province, China - Journal of Vertebrate Paleontology (29), 545-554 (journal article, English)
  • J. K. O'Connor, 2009 - Phylogenetic support for a specialized clade of Cretaceous enantiornithine birds with information from a new species - Journal of Vertebrate Paleontology (29), 188-204 (journal article, English)
  • C. A. Walker, 2009 - Euenantiornithine birds from the Late Cretaceous of El Brete (Argentina) - Irish Journal of Earth Sciences (27), 15-62 (journal article, English)
  • A. Cau, 2008 - Enantiophoenix electrophyla gen. et sp. nov. (Aves, Enantiornithes) from the Upper Cretaceous (Cenomanian) of Lebanon and its phylogenetic relationships - Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano (149), 293-324 (journal article, English)
  • Z. Zhou, 2008 - Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird - Journal of Anatomy (212), 565-577 (journal article, English)
  • J. Li, 2008 - A new species of Cathayornis from the Lower Cretaceous of Inner Mongolia, China and its stratigraphic significance - Acta Geologica Sinica (82), 1115-1123 (journal article, English)
  • X. Zheng, 2007 - A new enantiornithine bird with four long rectrices from the Early Cretaceous of northern Hebei, China - Acta Geologica Sinica (81), 703-708 (journal article, English)
  • L. M. Chiappe, 2007 - A new enantiornithine bird from the Late Cretaceous of the Gobi Desert - Journal of Systematic Palaeontology (5), 193-208 (journal article, English)
  • C. A. Walker, 2007 - Large euenantiornithine birds from the Cretaceous of southern France, North America and Argentina - Geological Magazine (), - (journal article, English)
  • B. C. Livezey, 2007 - Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes) based on comparative anatomy. II. Analysis and discussion - Zoological Journal of the Linnean Society (149), 1-95 (journal article, English)
  • L. M. Chiappe, 2007 - Juvenile birds from the Early Cretaceous of China: implications for enantiornithine phylogeny - American Museum Novitates (3594), 1-46 (journal article, English)
  • L. Li, 2007 - Alethoalaornithidae fam. nov.: a new family of enantiornithine bird from the Lower Cretaceous of western Liaoning - Acta Palaeontologica Sinica (46), 365-372 (journal article, English)
  • Z. Zhou, 2006 - Mesozoic birds of China—a synoptic review - Vertebrata PalAsiatica (44), 60-98 (journal article, English)
  • L. Li, 2006 - New Eoenantiornithid Bird from the Early Cretaceous Jiufotang Formation of Western Liaoning, China - Acta Geologica Sinica (80), 38-41 (journal article, English)
  • Z. Zhang, 2006 - The first Mesozoic heterodactyl bird from China - Acta Geologica Sinica (80), 631-635 (journal article, English)
  • P. Senter, 2004 - Systematics and evolution of Dromaeosauridae (Dinosauria, Theropoda) - Bulletin of the Gunma Museum of Natural History (8), 1-20 (journal article, English)
  • E. Gong, 2004 - Enantiornithine bird with diapsidan skull and its dental development in the Early Cretaceous in Liaoning, China - Acta Geologica Sinica (78), 1-7 (journal article, English)
  • K. Padian, 2004 - Basal Avialae - In D. B. Weishampel, P. Dodson, and H. Osmólska (eds.), The Dinosauria (second edition). University of California Press, Berkeley (), 210-231 (book/book chapter, English)
  • F. Zhang, 2004 - Description of a new enantiornithine bird from the Early Cretaceous of Hebei, northern China - Canadian Journal of Earth Sciences (41), 1097-1107 (journal article, English)
  • L. Hou, 2004 - New Early Cretaceous fossil from China documents a novel trophic specialization for Mesozoic birds - Naturwissenschaften (91), 22-25 (journal article, English)
  • L. M. Chiappe, 2002 - New enantiornithine bird from the marine upper Cretaceous of Alabama - Journal of Vertebrate Paleontology (22), 170-174 (journal article, English)
  • L. M. Chiappe, 2002 - Basal bird phylogeny: problems and solutions - Mesozoic Birds: Above the Heads of Dinosaurs. University of California Press, Berkeley (), 448-472 (book/book chapter, English)
  • Z. Zhou, 2002 - A new and primitive enantiornithine bird from the Early Cretaceous of China - Journal of Vertebrate Paleontology (22), 49-57 (journal article, English)
  • F. Zhang, 2001 - Early diversification of birds: evidence from a new opposite bird - Chinese Science Bulletin (46), 945-949 (journal article, English)
  • E. N. Kurochkin, 2000 - Mesozoic birds of Mongolia and the former USSR - The Age of Dinosaurs in Russia and Mongolia (), 533-559 (book chapter, English)
  • F. Zhang, 2000 - A primitive enantiornithine bird and the origin of feathers - Science (290), 1955-1959 (journal article, English)
  • F. Zhang, 2000 - Early diversification of birds: evidence from a new opposite bird - Chinese Science Bulletin (45), 2650-2657 (journal article, Chinese)
  • L. Hou, 1999 - Liaoxiornis delicatus gen. et sp. nov., the smallest Mesozoic bird - Chinese Science Bulletin (44), 834-838 (journal article, English)
  • E. N. Kurochkin, 1999 - A new large enantiornithid from the Upper Cretaceous of Mongolia - Trudy Zoologicheskogo Instituta (277), 130-141 (journal article, Russian)
  • L.-H. Hou, 1999 - Archaeopteryx to opposite birds – missing link from the Mesozoic of China - Vertebrata PalAsiatica (37), 88-95 (journal article, English)
  • A. V. Panteleyev, 1998 - [New species of enantiornithines (Aves: Enantiornithes) from the Upper Cretaceous of central Kyzylkum] - Russkii Ornitologicheskii Zhurnal Ekspress Vypusk (35), 3-15 (journal article, Russian)
  • L. H. Hou, 1997 - - Mesozoic Birds of China (), - (book, English)
  • J. L. Sanz, 1996 - An Early Cretaceous bird from Spain and its implications for the evolution of avian flight - Nature (382), 442-445 (journal article, )
  • E. N. Kurochkin, 1996 - A new enantiornithid of the Mongolian Late Cretaceous, and a general appraisal of the infraclass Enantiornithes (Aves) - Russian Academy of Sciences Palaeontological Institute Special Issue (), 1-60 (journal article, English)
  • Z. Zhou, 1995 - Discovery of a new enantiornithine bird from the Early Cretaceous of Liaoning, China - Vertebrata PalAsiatica (33), 99-113 (journal article, Chinese)
  • L.-h. Hou, 1995 - A beaked bird from the Jurassic of China - Nature (377), 616-618 (journal article, English)
  • D. J. Varricchio, 1995 - A new enantiornithine bird from the Upper Cretaceous Two Medicine Formation of Montana - Journal of Vertebrate Paleontology (15), 201-204 (journal article, English)
  • L. A. Nessov, 1995 - Dinozavri severnoi Yevrazii: Novye dannye o sostave kompleksov, ekologii i paleobiogeografii [Dinosaurs of northern Eurasia: new data about assemblages, ecology, and paleobiogeography] - Institute for Scientific Research on the Earth's Crust, St. Petersburg State University, St. Petersburg (), 1-156 (book/book chapter, Russian)
  • J. L. Sanz, 1995 - The osteology of Concornis lacustris (Aves: Enantiornithes) from the Lower Cretaceous of Spain and a reexamination of its phylogenetic relationships - American Museum Novitates (3133), 1-23 (journal article, English)
  • L. M. Chiappe, 1994 - Neuquenornis volans, a new Late Cretaceous bird (Enantiornithes, Avisauridae) from Patagonia, Argentina - Journal of Vertebrate Paleontology (14), 230-246 (journal article, English)
  • L. Hou, 1994 - [A late Mesozoic bird from Inner Mongolia] - Vertebrata PalAsiatica (32), 258-266 (journal article, Chinese)
  • L. M. Chiappe, 1993 - Enantiornithine (Aves) tarsometatarsi from the Cretaceous Lecho Formation of northwestern Argentina - American Museum Novitates (3083), 1-27 (journal article, English)
  • P. C. Sereno, 1992 - Early evolution of avian flight and perching: new evidence from the Lower Cretaceous of China - Science (255), 845-848 (journal article, English)
  • Z.-h. Zhou, 1992 - [Preliminary report on a Mesozoic bird from Liaoning, China] - Kexue Tongbao (1992), 435-437 (journal article, Chinese)
  • J. L. Sanz, 1990 - Los reptiles Mesozoicos del registro español [The Mesozoic reptiles from the Spanish record] - Monografias del Museo Nacional de Ciencias Naturales (2), 1-79 (serial monograph, Spanish)
  • A. Lacasa Ruiz, 1989 - Nuevo genero de ave fosil del yacimiento Neocomiense del Montsec (Provincia de Lerida, España) [new genus of fossil bird from the Neocomian locality of Montsec (Lerida province, Spain)] - Estudios geológicos (45), 417-425 (journal article, Spanish)
  • L. A. Nessov, 1989 - Novye ptitsy Mela-Paleogena SSSR i nekotorye zamechaniya po istorii vozniknoveniya i evolyutsii klassa [New Cretaceous-Paleogene birds of the USSR and some remarks on the origin and evolution of the Class Aves] - Fauna i Ekologiya Ptits Evrazii [Faunistic and Ecological Studies of Eurasian Birds]. Trudy Zoologicheskogo Instituta, Akademiya Nauk SSSR (197), 78-97 (book/book chapter, Russian)
  • R. L. Carroll, 1988 - - Vertebrate Paleontology and Evolution (), 1-698 (compendium, English)
  • L. A. Nessov, 1986 - Pervaya nakhodka pozdnemelovoy ptitsy-ikhtiornisa v starom svete i nekotorye drugie kosti ptits iz Mela i Paleogena spedney Azii [The first record of the Late Cretaceous bird Ichthyornis in the Old World and some other bird bones from the Cretaceous and P - Trudy Zoologicheskogo Instituta Akademiy Nauk SSSR (147), 31-38 (journal article, Russian)
  • R. E. Molnar, 1986 - An enantiornithine bird from the Lower Cretaceous of Queensland, Australia - Nature (322), 736-738 (journal article, English)
  • M. K. Brett-Surman, 1985 - A new family of bird-like dinosaurs linking Laurasia and Gondwanaland - Journal of Vertebrate Paleontology (5), 133-138 (journal article, )
  • L. A. Nessov, 1984 - Upper Cretaceous pterosaurs and birds from central Asia - Paleontological Journal (1984), 38-49 (journal article, English)
  • C. A. Walker, 1981 - New subclass of birds from the Cretaceous of South America - Nature (292), 51-53 (journal article, English)
  • P. Brodkorb, 1976 - Discovery of a Cretaceous bird, apparently ancestral to the orders Coraciiformes and Piciformes (Aves: Carinatae) - Smithsonian Contributions to Paleobiology (27), 67-73 (journal article, )
  • A. Elzanowski, 1974 - Preliminary note on the palaeognathous bird from the Upper Cretaceous of Mongolia - Palaeontologia Polonica (29), 103-109 (journal article, )