Cephalopoda - Nautilida - Liroceratidae
Full reference: P. L. Sealey and S. G. Lucas. 2025. Permian nautiloids from the San Andres Formation, southern and western New Mexico. New Mexico Museum of Natural History and Science Bulletin 100:237-265
Belongs to Stearoceras according to P. L. Sealey and S. G. Lucas 2025
Sister taxa: Stearoceras conchiferum, Stearoceras gibbosum, Stearoceras hesperium, Stearoceras immane, Stearoceras involutum, Stearoceras militarium, Stearoceras phosphoriense, Stearoceras punjabicum, Stearoceras rotundatum, Stearoceras sanandreasense, Stearoceras simplex, Stearoceras smithi, Stearoceras sublaeve
Type specimen: NMMNH P-102137, a shell
Ecology: nektobenthic carnivore
Average measurements (in mm): shell diameter 84.6
Distribution:
• Permian of United States (2: New Mexico collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.