Caenogastropoda [subklasse]
(90 soorten in totaal / 50 gevestigd)

[unassigned] Caenogastropoda [orde] (9/5)

Cerithoidea [superfamilie] (3/1)

Epitonioidea [superfamilie] (4/4)

Triphoroidea [superfamilie] (2/0)