†subfamily Opaliinae (wentletrap)
Gastropoda - Epitonioidea - Epitoniidae
Parent taxon: Epitoniidae according to N. F. Sohl 1964
Sister taxa: Aciculiscala, Acirsa, Acirsinae, Alora, Amaea, Belliscala, Boreoscala, Cerithiscala, Cirsotrema, Clathroscala, Clathrus, Claviscala, Confusiscala, Crossotrema, Dannevigena, Eglisia, Epitomium, Epitoniinae, Epitonium, Filiscala, Gregorioiscala, Gryoscala, Littoriniscala, Mazescala, Murdochella, Narvaliscala, Notacirsa, Nystiellinae, Opalia, Papuliscala, Pliciscala, Problitora, Pseudosassia, Scalaria, Scalina, Sthenorytis, Turriscala, Variciscala, Australolaxispira, Funis
Subtaxa: none
Ecology: slow-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Opaliinae in the database