PaleoDB taxon number: 168967
Alternative combination: Pinna mendenhalli
Full reference: G. D. Hanna. 1926. Paleontology of Coyote Mountain, Imperial County, California. Proceedings of the California Academy of Sciences 14(18):427-503
Type specimen: USNM 324593, a shell. Its type locality is USGS 3922 - Garnet Caņon [Imperial Fm], which is in a Pliocene marine sandstone in California.
Ecology: stationary semi-infaunal suspension feeder
Average measurements (in mm): shell 167.0 x 98.0