Bivalvia - Cardiida - Chamidae

Alternative combination: Echinochama trachyderma

Belongs to Arcinella according to W. P. Woodring 1982

Sister taxa: Arcinella antiquata, Arcinella arcinella, Arcinella californica, Arcinella cornuta, Arcinella draconis, Arcinella yaquensis, Echinochama pristina, Echinochama praearcinella

Ecology: stationary epifaunal suspension feeder