†family Heteropectinidae Beurlen 1954 (clam)
Parent taxon: Heteropectinoidea according to J. G. Carter et al. 2011
Sister taxa: Annuliconchidae, Antijaniridae, Hunanopectinidae, Limipectinidae, Ornithopectinidae
Subtaxa: Cassianoidinae, Etheripectininae, Girtypectininae, Heteropectininae
Ecology: stationary epifaunal suspension feeder