Cephalopoda - Nautilida - Grypoceratidae
Alternative combination: Nautilus whitneyi
Full reference: W. M. Gabb. 1864. Description of the Triassic fossils of California and the adjacent territories. Geological Survey of California Palaeontology 1:19-35
Belongs to Grypoceras according to N. J. Silberling and K. M. Nichols 1982
See also Gabb 1864, Kummel 1953 and Smith 1914
Sister taxa: Grypoceras aemulans, Grypoceras bidorsatoides, Grypoceras brahmanicum, Grypoceras griesbachi, Grypoceras guembeli, Grypoceras haloricum, Grypoceras laubei, Grypoceras mesodicum, Grypoceras milleri, Grypoceras obtusum, Grypoceras palladii, Grypoceras quadrangulum, Grypoceras rhaeticum
Ecology: nektobenthic carnivore
Average measurements (in mm): shell diameter 88.0
Distribution:
• Triassic of United States (7: Nevada collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.