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Amphiscapha calix Gordon and Yochelson 1975 (snail)

Gastropoda - Euomphalina - Euomphalidae

PaleoDB taxon number: 95235

Alternative combination: Straparollus (Euomphalus) calix

Full reference: M. Gordon and E. L. Yochelson. 1975. Gastropoda, Cephalopoda, and Trilobita of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming. United States Geological Survey Professional Paper 848(F):1-30

Belongs to Amphiscapha according to P. J. Wagner 2017

Sister taxa: Amphiscapha (Amphiscapha), Amphiscapha browni, Amphiscapha catilloides, Amphiscapha hollingsworthi, Amphiscapha intermedius, Amphiscapha marginatus, Amphiscapha muricata, Amphiscapha peruviana, Amphiscapha proxima, Amphiscapha reedsi, Amphiscapha subquadrata, Amphiscapha subrugosa, Amphiscapha subsulcata, Amphiscapha uralensis

Type specimen: USNM 16847, a shell. Its type locality is USGS 24050-PC. SW¼ sec. 26 T47N R116W Teton County, which is in an Arnsbergian offshore shale/limestone in the Amsden Formation of Wyoming.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell width 21.0