Bivalvia - Pectinida - Pectinoidae

Parent taxon: Chlamydinae according to R. Marquet 2002

Sister taxa: Aequipecten, Cryptopecten, Hilberia, Mimachlamys, Psychrochlamys, Semipallium, Janopecten, Taimyronectes

Subtaxa: Crassadoma gigantea, Crassadoma harmeri, Crassadoma multistriata

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Ecology: stationary low-level epifaunal suspension feeder