Bivalvia - Pectinida - Propeamussiidae

Alternative combination: Pecten (Pseudamussium) alaskensis

Belongs to Parvamussium according to E.V. Coan et al. 2000

Sister taxa: Parvamussium duodecimlamellatum, Parvamussium mata, Parvamussium pumilum, Parvamussium retiaculum, Parvamussium salacon, Parvamussium scitulum, Parvamussium squalidulum, Parvamussium thetidis, Parvamussium torresi, Variamussium clamosseum, Variamussium cancellatum, Variamussium squamigerum, Variamussium anolense, Polynemamussium intuscostatus

Ecology: epifaunal carnivore