PaleoDB taxon number: 333367
Full reference: C. S. Hickman. 2015. Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part III: The heteroconchs. PaleoBios 32:1-44
Sister taxa: none
Type specimen: USNM 561798. Its type locality is Northeast of Burton, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska.
Ecology: stationary infaunal suspension feeder