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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

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)

Regan, 1903

Other languages



Lebenszeitraum in Million Jahren (Ma)

Start age: 251.3 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
Lower/Early 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)

Search for taxonomy at
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Search for taxonomy at The Taxonomicon

Next lower taxonomy level

On the same taxonomic level (siblings) (Count: 14)

Taxonomic assignment (248)

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)
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  • G. Carnevale, 2018 - Miocene Bony Fishes of the Calvert, Choptank, St. Marys, and Eastover Formations, Chesapeake Group, Maryland and Virginia - Smithsonian Contribution to Paleobiology (), 161-212 (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)
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  • Z. Y. Sun, 2016 - A new non-parasemionotiform order of the Halecomorphi (Neopterygii, Actinopterygii) from the Middle Triassic of Tethys - Journal of Systematic Palaeontology (15), 223-240 (journal article, English)
  • G. H. Xu, 2015 - Panxianichthys imparilis gen. et sp. nov., a new ionoscopiform (Halecomorphi) from the Middle Triassic of Guizhou, China - Vertebrata PalAsiatica (53), 1-15 (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)
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  • 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)
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  • J. Alvarado-Ortega, 2008 - A New Genus of Ionoscopiform Fish (Halecomorphi) from the Lower Cretaceous (Albian) Lithographic Limestones of the Tlayúa Quarry, Puebla, Mexico - Journal of Paleontology (82), 163-175 (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. Arratia, 2007 - A New Halecomorph Fish from the Middle Triassic of Switzerland and its Systematic Implications - Journal of Vertebrate Paleontology (27), 838-849 (journal article, English)
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  • J. Tong, 2006 - Fossil Fishes from the Lower Triassic of Majiashan, Chaohu, Anhui Province, China - Journal of Paleontology (80), 146-161 (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)
  • A. B. Heckert, 2004 - Late Triassic microvertebrates from the lower Chinle Group (Otischalkian-Adamanian: Carnian), southwestern U.S.A. - New Mexico Museum of Natural History and Science Bulletin (27), 1-170 (serial monograph, English)
  • A. Herzog, 2003 - Eine Neubeschreibung der Gattung Eoeugnathus Brough, 1939 (Actinopterygii; Halecomorphi) aus der alpinen Mitteltrais Graubündes (Schweiz) - Palaeontologische Zeitschrift (77), 223-240 (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)
  • G. B. Liu, 2002 - Taxonomic names, in Early Triassic fishes from Jurong, Jiangsu - Acta Palaeontologica Sinica (41), 27-52 (journal article, Chinese)
  • J. Peng, 2001 - Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide - Provincial Museum of Alberta, Natural History Occasional Paper (25), 1-54 (journal article, 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)
  • J. Cartanyá, 1999 - An overview of the Middle Triassic actinopterygians from Alcover, Mont-ral and El Pinetell (Catalonia, Spain) - Mesozoic Fishes 2 - Systematics and the Fossil Record (2), 535-551 (book chapter, English)
  • G. R. Davies, 1997 - Ganoid fish Albertonia sp. from the Lower Triassic Montney Formation, Western Canada Sedimentary Basin - Bulltein of Canadian Petroleum Geology (45), 715-718 (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)
  • B. Schaeffer, 1990 - Osteichthyes, in Triassic Fishes from the Cassange Depression (R. P. De Angola) - Ciências da Terra (UNL), Número Especial (), 20-29 (journal article, English)
  • A. R. McCune, 1986 - A revision of Semionotus (Pisces: Semionotidae) from the Triassic and Jurassic of Europe - Palaeontology (29), 213-233 (journal article, English)
  • S. Wenz, 1986 - Découverte du premier Ionoscopidae (Pisces, Halecomorphi) sud-américain, Oshunia brevis n.g., n.sp., dans le Crétacé inférieur de la Chapada do Araripe (nord-est du Brésil) - Bulletin du Museum national d'historie naturelle. Section C. Sciences de la terre, paleontologie, geologie, mineralogie (8), 77-88 (journal article, French)
  • L. Beltan, 1984 - A propos d'un poisson volant biplan d l'Eotrias du NW de Madagascar: Icarealcyon malagasium Beltan - Annales de la Société Géologique du Nord (103), 75-82 (journal article, English)
  • B. Schaeffer, 1984 - Jurassic fishes from the western United States, with comments on Jurassic fish distribution - American Museum Novitates (2796), 1-86 (serial monograph, English)
  • L. Beltan, 1984 - Quelques poissons du Muschelkalk superieur d'Espagne - Acta Geologica Hispanica (19), 117-127 (journal article, French)
  • P. E. Olsen, 1984 - The skull and pectoral girdle of the Parasemionotid fish Watsonulus eugnathoides from the Early Triassic Sakamena Group of Madagascar, with comments on the relationships of the Holostean Fishes - Journal of Vertebrate Paleontology (4), 481-499 (journal article, English)
  • H.-T. Liu, 1983 - Fossil amiids (Pisces) of China and their biostrtigraphic significance - Acta Palaeontologica Polonica (28), 181-194 (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)
  • T. Uyeno, 1978 - On Some Lower Triassic fishes from Ankilokaza, Madagascar - Bulletin of the National Science Museum Tokyo Series C (4), 193-198 (journal article, English)
  • J. Griffith, 1977 - The Upper Triassic Fishes from Polzberg bei Lunz, Austria - Zoological Journal of the Linnean Society (60), 1-93 (journal article, English)
  • B. Schaeffer, 1976 - An Early Triassic fish assemblage from British Columbia - Bulletin of the American Museum of Natural History (156), 515-564 (journal article, English)
  • L. L. Beltan, 1972 - La faune Ichthyologique du Muschelkalk de la Catalogne - Memorias de la Real Academia de Ciencias y Artes (XLI), 281-325 (journal article, French)
  • L. Beltan, 1968 - La faune ichthyologique de l'Eotrias du N. W. de Madagascar: le neurocrâne - Cahiers de Paléontologie (1968), 1-125 (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, 1966 - Catalogue of Canadian fossil fishes - Life Sciences Contribution of the Royal Ontario Museum (68), 1-154 (journal article, English)
  • D. S. Jordan, 1963 - The Genera of Fishes and a Classification of Fishes - Stanford University Press (), 1-816 (book, English)
  • 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)
  • J.-P. Lehman, 1959 - Paléontologie de Madagascar XXVIII. - Les poissons de la Sakamena moyenne - Annales de Paléontologie (45), 175-219 (journal article, French)
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  • J. Brough, 1939 - - The Triassic fishes of Besano, Lombardy (), 1-117 (book/book chapter, English)
  • E. Stensiö, 1932 - Triassic Fishes from East Greenland collected by the Danish expeditions in 1929-1931 - Meddelelser om Grønland (83), 1-305 (book/book chapter, English)
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  • 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)
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  • C. R. Eastman, 1899 - Jurassic fishes from Black Hills of South Dakota - Geological Society America Bulletin (10), 397-408 (journal article, English)
  • 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)
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  • 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) vCF76AyIxkGT30YzfsWd8A
GUID (Global unique identifier) E87B21BC-880C-41C6-93DF-46337EC59DF0
Database ID 2603