Superfamily Trimusculoidea Burch 1945 (snail)
Parent taxon: Eupulmonata according to P. Bouchet et al. 2005
Sister taxa: Ellobiida, Geophila, Otinoidea
Subtaxa: none
Type: Trimusculus
Ecology: epifaunal
Distribution: there are no occurrences of Trimusculoidea in the database