Class Rhynchonellata Williams et al. 1996 (lamp shell)
Parent taxon: Rhynchonelliformea according to S. J. Carlson 2001
Sister taxa: Arzonella, Chileata, Kutorginata, Obolellata, Salanygolinidae, Strophomenata
Subtaxa: Athyridida, Atrypida, Cadomelloidea, Cardiarinidae, Dentatrypa, Mongolellidae, Orthida, Pentamerida, Protorthida, Rhynchonellida, Spiriferida, Spiriferinida, Terebratulida, Thecideida, Tropidoleptidae
Ecology: stationary low-level epifaunal suspension feeder