Chondrichthyes - Xenacanthida - Orthacanthidae
Synonyms: Chilodus Giebel 1847, Didymodus Cope 1883, Diplodus Agassiz 1843, Dittodus Owen 1867, Giebelodus Whitley 1940
Full reference: L. Agassiz. 1843. Recherches Sur Les Poissons Fossiles. Tome III (15me, 16me livraison) 157-390
Parent taxon: Orthacanthidae according to L. E. Babcock 2024
See also Cappetta 1987, Cope 1884, Ginter et al. 2010, Hampe 2003, Hay 1902, Heidtke 1998, Heyler and Poplin 1989, Johnson 1999, Johnson and Thayer 2009, Jordan 1963, Whitley 1940 and Zangerl 1981
Sister taxa: none
Subtaxa: Didymodus platypternus Diplodus acinaces Diplodus minutus Diplodus parvulus Diplodus problematicus Diplodus tenuis Dittodus lucasi Dittodus priscus Dittodus striatus Orthacanthus adamas Orthacanthus buxieri Orthacanthus compressus Orthacanthus donnelljohnsi Orthacanthus gibbosus Orthacanthus gracilis Orthacanthus lintonensis Orthacanthus milleri Orthacanthus minor Orthacanthus platypternus Orthacanthus pustulosus Orthacanthus texensis
Type: Orthacanthus cylindricus
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Japan (1 collection)
• Jurassic of France (1)
• Triassic of Poland (1)
• Permian of France (1), United States (15: Kansas, Oklahoma, Pennsylvania, Texas)
• Carboniferous to Permian of United States (1: Utah)
• Carboniferous of the United Kingdom (9), United States (8: Arizona, Illinois, Kansas, Nebraska, New Mexico, West Virginia)
• Devonian of Canada (2: New Brunswick)
Total: 39 collections including 53 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.