Chondrichthyes - Rajiformes - Ptychotrygonidae
Full reference: G. R. Case. 1978. A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica Abteilung A 160(Lfg. 1-6):176-205
Belongs to Ptychotrygon according to H. Cappetta and G. R. Case 1999
See also Case 1978
Sister taxa: Ptychotrygon cuspidata, Ptychotrygon eutawensis, Ptychotrygon geyeri, Ptychotrygon greybullensis, Ptychotrygon henkeli, Ptychotrygon ledouxi, Ptychotrygon mcnultyi, Ptychotrygon pustulata, Ptychotrygon slaughteri, Ptychotrygon striata, Ptychotrygon triangularis, Ptychotrygon vermiculata, Ptychotrygon winni
Type specimen: MTA 33, a tooth
Ecology: nektobenthic carnivore
Distribution:
• Cretaceous of United States (5: Montana, New Mexico, Texas collections)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.