†family Plicatounionidae Chen 1987 (clam)
Bivalvia - Trigoniida - Plicatounionidae
Parent taxon: Trigonioidoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Americunioninae, Jilinoconchidae, Nakamuranaiadidae, Nippononaiidae, Pseudohyriidae, Sainschandiidae, Trigonioididae
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Plicatounionidae in the database