Chondrichthyes - Xenacanthida - Orthacanthidae
Full reference: E. D. Cope. 1884. On the structure of the skull in the Elasmobranch genus Didymodus. Proceedings of the American Philosophical Society 21:572-590
Belongs to Orthacanthus according to G. D. Johnson 2012
See also Cope 1884, Hay 1902 and Johnson 1999
Sister taxa: Orthacanthus adamas, Orthacanthus buxieri, Orthacanthus compressus, Orthacanthus donnelljohnsi, Orthacanthus gibbosus, Orthacanthus gracilis, Orthacanthus lintonensis, Orthacanthus milleri, Orthacanthus minor, Orthacanthus pustulosus, Orthacanthus texensis, Didymodus platypternus, Dittodus priscus, Dittodus lucasi, Dittodus striatus, Diplodus problematicus, Diplodus parvulus, Diplodus acinaces, Diplodus minutus, Diplodus tenuis
Ecology: nektonic carnivore
Distribution:
• Permian of United States (4: Oklahoma, Pennsylvania collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.