†superfamily Nucleospiroidea Davidson 1881 (lamp shell)
Parent taxon: Athyrididina according to A. Williams et al. 2002
Sister taxa: Apheathyris, Athyridacea, Athyridioidea, Athyridoidea, Athyridoidea, Meristelloidea, Retzielloidea
Subtaxa: none
Ecology: stationary low-level epifaunal suspension feeder
Distribution: there are no occurrences of Nucleospiroidea in the database