Gastropoda - Bellerophontida - Bellerophontidae

Alternative combination: Bellerophon (Pharkidonotus) altitropis

Full reference: H. A. Kulas and R. L. Batten. 1997. Silicified gastropods from the Permian Phosphoria rock complex of Wyoming. Contributions to Geology, University of Wyoming 31(2):33-58

Belongs to Pharkidonotus according to P. J. Wagner 2023

See also Kulas and Batten 1997

Sister taxa: Pharkidonotus acutocarinatus, Pharkidonotus breyeri, Pharkidonotus galeatus, Pharkidonotus harrodi, Pharkidonotus khairliensis, Pharkidonotus khaonoiensis, Pharkidonotus labioreflexus, Pharkidonotus megalius, Pharkidonotus percarinatus, Pharkidonotus westi

Type specimen: UW #A2877a, a shell. Its type locality is AMNH B631, Rock Ford, Fremont County, which is in a Roadian marine limestone in the Phosphoria Formation of Wyoming.

Distribution: found only at AMNH B631, Rock Ford, Fremont County

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Specimen images are retrieved through the ePANDDA API.