Superfamily Capuloidea Fleming 1822 (snail)
PaleoDB taxon number: 59528
Parent taxon: Littorinimorpha according to P. Jeffery 2003
Sister taxa: Calyptraeoidea, Cingulopsoidea, Cypraeoidea, Discopoda, Ficoidea, Littorinoidea, Naticoidea, Pterotracheoidea, Stromboidea, Tonnoidea, Vanikoroidea, Velutinoidea, Vermetoidea, Xenophoroidea
Subtaxa: Capulidae
Ecology: facultatively mobile epifaunal suspension feeder