Bivalvia - Carditida - Crassatellidae

Alternative combinations: Crassatella (Bathytormus) alaeformis, Crassatella alaeformis, Crassatellites alaeformis

Synonyms: Crassatella capricranium Rogers and Rogers 1839, Crassatella declivis Heilprin 1880, Crassatellites capricranium Rogers and Rogers 1839

Belongs to Bathytormus according to G. L. Wingard 1993

Sister taxa: Bathytormus clarkensis, Bathytormus flexurus, Bathytormus juanadiazus, Bathytormus protexta, Bathytormus protextus, Bathytormus pteropsis

Type specimens:

• Bathytormus alaeformis: ANSP 30498, a shell
• Crassatella declivis: USNM 2490, a shell.
• Crassatellites capricranium:

Ecology: facultatively mobile infaunal suspension feeder