Superfamily Calyptraeoidea Lamarck 1809 (snail)
PaleoDB taxon number: 59509
Synonym: Calyptraeacea Lamarck 1809 [objective synonym] (taxon 59507)
Parent taxon: Littorinimorpha according to P. Jeffery 2003
Sister taxa: Capuloidea, Cingulopsoidea, Cypraeoidea, Discopoda, Ficoidea, Littorinoidea, Naticoidea, Pterotracheoidea, Stromboidea, Tonnoidea, Vanikoroidea, Velutinoidea, Vermetoidea, Xenophoroidea
Subtaxa: Calyptraeidae, Gyrotropidae, Trichotropidae
Ecology: facultatively mobile epifaunal suspension feeder