Cephalopoda - Nautilida - Clydonautilidae

Full reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262

Belongs to Cosmonautilus according to B. Kummel 1953

See also Smith 1927

Sister taxa: Cosmonautilus dilleri, Cosmonautilus pacificus, Cosmonautilus polaris, Cosmonautilus shastensis

Type specimen: Its type locality is North end of Brock Mountain (Juvavites subzone), which is in a Tuvalian carbonate limestone in the Hosselkus Formation of California

Ecology: nektobenthic carnivore

Average measurements (in mm): shell diameter 25.4

Distribution: found only at North end of Brock Mountain (Juvavites subzone)

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Specimen images are retrieved through the ePANDDA API.