†superorder Heterobranchia Gray 1840
Parent taxon: Orthogastropoda according to P. Jeffery 2003
See also Beesley 1998, Bouchet et al. 2005, Harzhauser 2004, Kaim et al. 2014, Squires and Saul 2001 and Todd 2001
Sister taxa: Murchisoniina, Neritopsina
Subtaxa: Diaphanoidea Doridoidea Kuskokwimiidae Omalogyroidea