Gastropoda - Rissooidea - Barleeidae

Parent taxon: Amphithalamus according to W. F. Ponder 1983

Sister taxa: Amphithalamus (Notoscrobs), Amphithalamus immigrus, Amphithalamus inclusus, Amphithalmus (Cerostraca), Amphithalmus (Pisinna)

Subtaxa: none

Ecology: epifaunal grazer