Bivalvia - Cardiida - Chamidae

Synonym: Echinochama Fischer 1887

Parent taxon: Chamidae according to M. C. Perrilliat 1992

Sister taxa: Chama, Pseudochama

Subtaxa: Arcinella antiquata, Arcinella arcinella, Arcinella californica, Arcinella cornuta, Arcinella draconis, Arcinella trachyderma, Arcinella yaquensis, Echinochama praearcinella, Echinochama pristina

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Type: Chama arcinella

Ecology: stationary epifaunal suspension feeder