Cephalopoda - Nautilida - Grypoceratidae
Full reference: V. E. Ruzhentsev and V. N. Shimanskiy. 1954. Nizhnepermskie svernutye i sognutye Nautiloidei yuzhnogo Urala. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 50:1-150
Parent taxon: Domatoceratidae according to V. E. Ruzhentsev and V. N. Shimanskiy 1954
See also Barskov et al. 2014
Sister taxa: Domatoceras, Neodomatoceras, Omorphoceras, Penascoceras, Permodomatoceras, Shatoceras, Stenodomatoceras, Stenopoceras
Subtaxa: Parapenascoceras aberrans Parapenascoceras rotundatum Parapenascoceras sanandreasense
Ecology: nektobenthic carnivore
Distribution:
• Permian of United States (11: Arizona, New Mexico, Texas collections)
Total: 11 collections including 16 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.