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Hybolophus subgibbosa Hanna 1926

PaleoDB taxon number: 422776

Alternative combinations: Crassitellites subgibbosus, Eucrassatella (Hybolophus) subgibbosa, Eucrassatella subgibbosus

Full reference: G. D. Hanna. 1926. Paleontology of Coyote Mountain, Imperial County, California. Proceedings of the California Academy of Sciences 14(18):427-503

Belongs to Hybolophus according to A. J. W. Hendy 2020

Sister taxa: Eucrassatella (Hybolophus) berryi, Eucrassatella (Hybolophus) elassa, Eucrassatella (Hybolophus) trinitaria, Eucrassatella (Hybolophus) venezuelana, Hybolophus disenum, Hybolophus fluctuatus, Hybolophus gibbosus, Hybolophus granti, Hybolophus maleficae, Hybolophus nelsoni, Hybolophus terrestris

Type specimen: CAS 1818, a shell. Its type locality is CAS 682 - Alverson Caņon [Imperial Fm], which is in a Pliocene marine sandstone in California.

Average measurements (in mm): shell 55.0 x 41.0