Cephalopoda - Nautilida - Tainoceratidae

Full reference: A. K. Miller and H. D. Thomas. 1936. The Casper Formation (Pennsylvanian) of Wyoming and its cephalopod fauna. Journal of Paleontology 10:715-738

Belongs to Tainoceras according to D. Korn and A. Ghaderi 2025

See also Miller and Thomas 1936 and Miller and Youngquist 1949

Sister taxa: Tainoceras abukumaense, Tainoceras admonens, Tainoceras balestense, Tainoceras bukkense, Tainoceras carinatum, Tainoceras cavatum, Tainoceras changlingpuense, Tainoceras clydense, Tainoceras collinsi, Tainoceras comptum, Tainoceras crassicostatum, Tainoceras debile, Tainoceras duttoni, Tainoceras gibbosum, Tainoceras guizhouense, Tainoceras hunanense, Tainoceras hystatum, Tainoceras kitakamiense, Tainoceras latecostatum, Tainoceras lateronodosum, Tainoceras luxaeterna, Tainoceras malsineri, Tainoceras marylandicum, Tainoceras mingshanense, Tainoceras monilifer, Tainoceras murrayi, Tainoceras nebrascense, Tainoceras nodocarinatum, Tainoceras noetlingi, Tainoceras occidentale, Tainoceras orientale, Tainoceras quadrangulum, Tainoceras rotundatum, Tainoceras schellbachi, Tainoceras sexlineatum, Tainoceras toulai, Tainoceras trautscholdi, Tainoceras trimuense, Tainoceras unitum, Tainoceras unklesbayi, Tainoceras vashutinense, Tainoceras zmajevatense

Type specimen: SUI 1159-63. Its type locality is Gilmore Canyon, Stenopoceras beds, 8 miles SE of Laramie, which is in an Asselian marine limestone in the Casper Formation of Wyoming.

Ecology: nektobenthic carnivore

Average measurements (in mm): shell diameter 21.4

Distribution: found only at Gilmore Canyon, Stenopoceras beds, 8 miles SE of Laramie

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Specimen images are retrieved through the ePANDDA API.