Actinopteri - Semionotiformes - Semionotidae
Synonym: Ischypterus Egerton 1847
Full reference: L. Agassiz. 1832. Untersuchungen über die fossilen Fische der Lias-Formation. Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde 3:139-149
Parent taxon: Semionotidae according to A. López-Arbarello 2012
See also Beltan 1972, Haughton 1924, Hay 1902, McCune 1986, Schaeffer 1967, Schaeffer and Dunkle 1950, Sepkoski 2002, Woodward 1890 and Woodward 1895
Sister taxa: Acentrophorus, Aetheolepis, Aphnelepis, Archaeolepidotus, Hemicalypterus, Pristisomus, Sargodon, Semionotus serratus, Tetragonolepis, Tianfuichthys
Subtaxa: Palaeoniscus agassizii Semionotus agassizii Semionotus australis Semionotus beardmori Semionotus bergeri Semionotus braunii Semionotus capensis Semionotus elegans Semionotus formosus Semionotus fultus Semionotus gibbus Semionotus gigas Semionotus howelli Semionotus kapffi Semionotus leptocephalus Semionotus lineatus Semionotus metcalfi Semionotus micropterus Semionotus minutus Semionotus nilssoni Semionotus normanniae Semionotus ovatus Semionotus parvus Semionotus robustus Semionotus tenuis Semionotus trotti
Type: Semionotus bergeri
Ecology: nektonic durophage-carnivore
Distribution:
• Cretaceous of United States (1: Utah collection)
• Jurassic of Canada (1: Nova Scotia), South Africa (1), United States (15: Connecticut, Massachusetts, New Jersey, Utah, Virginia)
• Triassic to Jurassic of France (1)
• Triassic of Australia (2), France (1), Germany (2), Malaysia (1), Spain (2), Svalbard and Jan Mayen (1), the United Kingdom (1), United States (22: Arizona, Colorado, New Jersey, New Mexico, North Carolina, Pennsylvania, Texas, Utah, Virginia)
Total: 51 collections including 66 occurrences
Specimen images are retrieved through the ePANDDA API.
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