†family Tropidoleptidae Schuchert 1896 (lamp shell)
Parent taxon: Rhynchonellata according to A. Williams et al. 2007
Sister taxa: Athyridida, Atrypida, Cadomelloidea, Cardiarinidae, Dentatrypa, Mongolellidae, Orthida, Pentamerida, Protorthida, Rhynchonellida, Spiriferida, Spiriferinida, Terebratulida, Thecideida
Subtaxa: Tropidoleptus
Type: Tropidoleptus
Ecology: stationary low-level epifaunal suspension feeder