†Dentatrypa Breivel 1959 (lamp shell)
Parent taxon: Rhynchonellata according to M. A. Rzhonsnitskaya 1968
Sister taxa: Athyridida, Atrypida, Cadomelloidea, Cardiarinidae, Mongolellidae, Orthida, Pentamerida, Protorthida, Rhynchonellida, Spiriferida, Spiriferinida, Terebratulida, Thecideida, Tropidoleptidae
Subtaxa: none
Ecology: stationary low-level epifaunal suspension feeder