Actinopteri - Semionotiformes - Semionotidae
Synonym: Lepidotidae Owen 1860
Full reference: A. S. Woodward. 1890. The fossil fishes of the Hawkesbury Series at Gosford. Memoirs of the Geological Survey of New South Wales. Palaeontology 4:1-57
Parent taxon: Semionotiformes according to A. López-Arbarello 2012
See also Arambourg and Bertin 1958, Beltan 1972, Cartanyà 1999, Casier 1965, Cope 1877, Cope 1878, Delsate 1997, Gardiner 1960, Goodwin et al. 1999, Hay 1902, Heckert 2004, Irmis 2005, Jordan 1963, Lapparent 1955, Lombardo and Tintori 2008, López-Arbarello and Codorniú 2007, Nelson et al. 2016, Rapp 1946, Schaeffer 1947, Schaeffer and Dunkle 1950, Tintori 1996, Tintori and Lombardo 2007, Tintori and Olivetti 1988, Woodward 1890, Woodward 1895 and Woodward 1916
Sister taxa: Alleiolepis, Allelepidotus, Aphelolepis, Austrolepidotus, Callipurbeckiidae, Callopteus, Corunegenys, Enigmatichthys, Heterostrophus, Lophionotus, Macrosemiidae, Orthurus, Pericentrophorus, Plesiolepidotus, Prionopleurus, Semionotoidei, Serrolepis, Sinosemionotus, Sphathiurus, Tungusichthyidae
Subtaxa: Acentrophorus Aetheolepis Aphnelepis Archaeolepidotus Hemicalypterus Mengius Pristisomus Sargodon Semionotus Semionotus serratus Tetragonolepis Tianfuichthys
Ecology: nektonic durophage-carnivore
Distribution:
• Cretaceous of Brazil (1 collection), Chile (1), France (2), Thailand (2), Tunisia (3), the United Kingdom (1), United States (4: Idaho, Oklahoma, Utah), Uzbekistan (1)
• Jurassic to Cretaceous of Morocco (1)
• Jurassic of Australia (1), Belgium (1), Canada (1: Nova Scotia), Ethiopia (1), Germany (4), Kyrgyzstan (2), Madagascar (6), South Africa (1), the United Kingdom (2), United States (17: Colorado, Connecticut, Massachusetts, New Jersey, Utah, Virginia)
• Triassic to Jurassic of France (1), Madagascar (2)
• Triassic of Australia (2), Austria (1), Belgium (5), France (20), Germany (6), Italy (7), Luxembourg (1), Malaysia (1), the Netherlands (1), Poland (1), Saudi Arabia (1), Spain (2), Svalbard and Jan Mayen (1), Switzerland (2), Thailand (1), the United Kingdom (14), United States (39: Arizona, Colorado, New Jersey, New Mexico, North Carolina, Pennsylvania, Texas, Utah, Virginia)
• Permian of Germany (2), Italy (2), the Russian Federation (6), the United Kingdom (17)
Total: 187 collections including 217 occurrences