†superfamily Athyridoidea Davidson 1881 (lamp shell)
Invalid subtaxa: Athyracea McCoy 1844 [replaced name], Athyroidea McCoy 1844 [replaced name], Rostrospiracea Schuchert 1929 [replaced name]
Parent taxon: Athyrididina according to A. Williams et al. 2002
See also Hoare 1961, Jin and Chatterton 1997 and Talent 1963
Sister taxa: Apheathyris, Athyridacea, Athyridioidea, Athyridoidea, Meristelloidea, Nucleospiroidea, Retzielloidea
Subtaxa: Diplospirellidae Hyattidinidae
Ecology: stationary low-level epifaunal suspension feeder