Cephalopoda - Nautilida - Grypoceratidae
Full reference: A. Hyatt. 1893. Carboniferous cephalopods, second paper. Annual Report of the Geological Survey of Texas 4(2):377-474
Parent taxon: Grypoceratidae according to C. Teichert et al. 1964
See also Miao et al. 2019 and Sepkoski 2002
Sister taxa: Domatoceratinae, Epidomatoceras, Grypoceras, Gryponautilus, Gyronautilinae, Menuthionautilus, Neostenopoceras, Paradomatoceras, Parastenopoceras, Plummeroceras, Pselioceras, Pseudotitanoceras, Titanoceras, Virgaloceras, Xiaohenautilus
Subtaxa: Stearoceras conchiferum Stearoceras gibbosum Stearoceras hesperium Stearoceras immane Stearoceras involutum Stearoceras militarium Stearoceras phosphoriense Stearoceras punjabicum Stearoceras simplex Stearoceras smithi Stearoceras sublaeve
Ecology: nektobenthic carnivore
Distribution:
• Permian of China (1 collection), Colombia (1), Japan (2), Mexico (1), Pakistan (9), United States (11: California, Nebraska, New Mexico, Texas, Wyoming)
• Carboniferous of United States (7: Arkansas, Illinois, Texas)
Total: 32 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.