Cephalopoda - Nautilida - Liroceratidae
Full reference: B. Kummel. 1953. American Triassic coiled nautiloids. United States Geological Survey Professional Paper 250:1-104
Belongs to Paranautilus according to A. S. Dagis et al. 1996
See also Kummel 1953, Silberling and Nichols 1982 and Sobolev 1989
Sister taxa: Paranautilus anisi, Paranautilus asiaticus, Paranautilus brembanus, Paranautilus bullockii, Paranautilus expansus, Paranautilus indifferens, Paranautilus karczi, Paranautilus modestus, Paranautilus nodatus, Paranautilus peregrinus, Paranautilus sibylloides, Paranautilus simonyi, Paranautilus sphaeroidalis, Paranautilus tommasii
Type specimen: USNM 74445. Its type locality is Divide between Troy Canyon and South Fork of American Canyon, which is in an Illyrian marine limestone in Nevada.
Ecology: nektobenthic carnivore
Average measurements (in mm): shell diameter 81.5
Distribution:
• Triassic of the Russian Federation (8 collections), United States (10: Nevada)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.