Proclydonautilus stantoni Smith 1927 (nautiloid)

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 Proclydonautilus according to E. S. Sobolev 1989

See also Kummel 1953 and Smith 1927

Sister taxa: Proclydonautilus anianiensis, Proclydonautilus gasteroptychus, Proclydonautilus goniatites, Proclydonautilus hessi, Proclydonautilus kiparisovae, Proclydonautilus natosini, Proclydonautilus okhotensis, Proclydonautilus pseudoseimkanensis, Proclydonautilus seimkanensis, Proclydonautilus sinekensis, Proclydonautilus spirolobus, Proclydonautilus squawensis, Proclydonautilus triadicus, Proclydonautilus ursensis

Type specimen: Its type locality is Brock Mountain, 3 miles east of Madison's ranch (Trachyceras subzone), which is in a Tuvalian carbonate limestone in the Hosselkus Formation of California

Ecology: nektobenthic carnivore

Average measurements (in mm): shell diameter 43.2

Distribution:

• Triassic of Svalbard and Jan Mayen (1 collection), United States (1: California)

Total: 2 collections each including a single occurrence

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