† Ionoscopiformes


Additional Functions


Belong­ing to

Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Nephrozoa  ⇒ Abzweig: Deuterostomia  ⇒ Stamm: Chordata  ⇒ Unterstamm: Vertebrata  ⇒ Infrastamm: Gnathostomata  ⇒ Superklasse: Pisces  ⇒ Klasse: Osteichthyes  ⇒ Unterklasse: Actinopterygii  ⇒ Superdivision: Neopterygii  ⇒ Division: Halecostomi  ⇒ Subdivision: Halecomorphi

Taxo­nomic seg­ment


This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.

Name from

Corre­spond­ing author (Name, Year)

Grande & Bemis, 1998

Other languages



Lebenszeitraum in Million Jahren (Ma)

Start age: 242 Ma - End age: 93.5 Ma
Upper/Late Cretaceous
Lower/Early Cretaceous
Upper/Late Jurassic
Middle Jurassic
Lower/Early Jurassic
Upper/Late Triassic
Middle Triassic

Additional data by PBDB, License: CC BY

Motility: actively mobile
Environment: marine
Compositon of the remains:


Reference- and Source indication, Literature

Automatic Links to external internet sources (Responsibility is with the operator)

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Next lower taxonomy level

On the same taxonomic level (siblings) (Count: 10)

Taxonomic assignment (48)

References by PBDB, License: CC BY

  • K. M. Cantalice, 2019 - The paleoichthyofauna housed in the Colección Nacional de Paleontología of Universidad Nacional Autónoma de México - Zoosystematics and Evolution (95), 429-452 (journal article, English)
  • G. H. Xu, 2018 - Redescription and phylogenetic reassessment of Asialepidotus shingyiensis (Holostei: Halecomorphi) from the Middle Triassic (Ladinian) of China - Zoological Journal of the Linnean Society (184), 95-114 (journal article, English)
  • X. Y. Ma, 2017 - A new ionoscopiform fish (Holostei: Halecomorphi) from the Middle Triassic (Anisian) of Yunnan, China - Vertebrata PalAsiatica (55), 162-176 (journal article, English)
  • G. H. Xu, 2014 - The oldest ionoscopiform from China sheds new light on the early evolution of halecomorph fishes - Biology Letters (10), 20140- (journal article, English)
  • A. López-Arbarello, 2014 - Phylogenetic relationships of the Triassic Archaeosemionotus Deecke (Halecomorphi, Ionoscopiformes) from the Perledo Fauna - PLoS One (9), e1086- (journal article, English)
  • G. P. Machado, 2013 - Teoichthys brevipina, sp. nov., a new ophiopsid fish (Halecomorphi, Ionoscopiformes) from the Lower Cretaceous Tlayúa Formation, Central Mexico - Journal of Vertebrate Paleontology (33), 482-487 (journal article, English)
  • A. Tintori, 2007 - A new early Semionotidae (Semionotiformes, Actinopterygii) from the upper Ladinian of Monte San Giorgio area (southern Switzerland and norther Italy) - Rivista Italiana di Paleontologia e Stratigrafia (113), 369-381 (journal article, English)
  • G. B. Liu, 2004 - Changing names - Guizhoueugnathus, new name for Guizhouella Liu, 2003 and Guizhoubrachysomus, new name for Brachysomus Liu, 2003 - Acta Palaeontologica Sinica (43), 447- (journal article, English)
  • G. B. Liu, 2003 - Taxonomic names, in New discovered fishes from Keichousaurus-bearing horizon of Late Triassic in Xingyi of Guizhou - Acta Palaeontologica Sinica (42), 346-366 (journal article, Chinese)
  • J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
  • C. Lombardo, 2001 - Actinopterygians from the Middle Triassic of Northern Italy and Canton Ticino (Switzerland): Anatomical Descriptions and Nomenclatural Problems - Rivista Italiana di Paleontologia e Stratigrafia (107), 345-369 (journal article, English)
  • P. M. Brito, 2000 - A new halecomorph with two dorsal fins, Placidichthys bidorsalis n. g., n. sp. (Actinopterygii: Halecomorphi) from the Lower Cretaceous of the Araripe Basin, northeast Brazil - Comptes Rendus de l'Academie des Sciences Paris, Sciences de la Terre et des planètes (331), 749-754 (journal article, English)
  • T. Bürgin, 1995 - Actinopterygian fishes (Osteichthyes; Actinopterygii) from the Kalkschieferzone (uppermost Ladinian) near Meride (Canton Ticino, southern Switzerland) - Eclogae Geologicae Helvetiae (88), 803-826 (journal article, English)
  • M. T. Antunes, 1981 - Faunule ichthyologique du Lias inférieur de S. Pedro de Muel, Portugal - Ciências da Terra (6), 101-116 (journal article, French)
  • S. Wenz, 1967 - Compléments a l'étude des poissons actinoptérygiens du Jurassique français - Cahiers de Paléontologie (1967), 1-276 (serial monograph, French)
  • B. G. Gardiner, 1960 - A revision of certain actinopterygian and coelacanth fishes, chiefly from the Lower Lias - Bulletin of the British Museum (Natural History), Geology (4), 241-384 (serial monograph, English)
  • T. Su, 1959 - Triassic Fishes from Kueichow, South-West China - Vertebrata PalAsiatica (3), 205-215 (journal article, English)
  • G. de Alessandri, 1910 - Studii sui pesci Triasici della Lombardia - Memorie della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano (7), 1-145 (serial monograph, Italian)
  • K. Gorjanovic-Kramberger, 1905 - Die obertriadische Fischfauna von Hallein in Salzburg - Beiträge zur Paläontologie und Geologie Österreich-Ungarns und des Orients (18), 193-224 (journal article, German)
  • A. S. Woodward, 1897 - A contribution to the osteology of the Mesozoic amioid fishes Caturus and Osteorachis - Annals and Magazine of Natural History, series 6 (19), 379-387 (journal article, English)
  • F. Bassani, 1895 - La ittiofauna della Dolomia Principale di Giffoni (Provincia di Salerno) - Palaeontographica Italica (1), 169-210 (journal article, Italian)
  • A. S. Woodward, 1895 - - Catalogue of the Fossil Fishes in the British Museum (Natural History), Part III (), 1-544 (serial monograph, English)
  • W. Deecke, 1888 - Ueber zwei Fische aus den Augulatuskalken des Unter-Elsass - Mittheilungen der Commission für die Geologische Landes-Untersuchung von Elsass-Lothringen (1), 203-213 (journal article, German)
  • F. Bassani, 1886 - Sui fossili e sull'età degli schisti bituminosi triasici di Besano in Lombardia - Atti della Società Italiana di Scienze Naturali (29), 15-72 (journal article, Italian)
  • J. W. Davis, 1885 - On Heterolepidotus grandis, a fossil fish from the Lias - Journal of the Linnean Society of London, Zoology (18), 293-298 (journal article, English)
  • P. G. Egerton, 1868 - On the characters of some new fossil fish from the Lias of Lyme Regis - Quarterly Journal of the Geological Society (24), 499-505 (journal article, English)
  • R. Kner, 1866 - Die fossilen Fische der Asphaltschiefer von Seefeld in Tirol - Sitzungsberichte der Mathematisch-Naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften (54), 303-334 (journal article, German)
  • L. Agassiz, 1843 - - Recherches Sur Les Poissons Fossiles. Tome I (livr. 18). Imprimerie de Petitpierre, Neuchatel (), xxxii-188 (book, English)
  • G. Balsamo-Crivelli, 1839 - Descrizione d'un nuovo rettile fossile della famiglia dei Paleosauri, e di due pesci fossili trovati nel calcareo nero, sopra Varenna sul lago di Como, dal nobile sig. Lodovico Trotti, con alcune riflessioni geologiche - Il Politecnico (1), 421-431 (journal article, Italian)


GUSID (Global unique identifier short form) YtHGGHYTiE6l811FV9dwVA
GUID (Global unique identifier) 18C6D162-1376-4E88-A5F3-5D4557D77054
Database ID 10822