Gastropoda - Euomphalina

Parent taxon: Oriostomatoidea according to P. Bouchet et al. 2005

Sister taxon: Tubinidae

Subtaxa: Australonema, Beraunia, Didymalgia, Dohmella, Gemininodosa, Hecetastoma, Lineata, Morphotropis, Omphalonema, Oriomphalus, Oriostoma, Tophicola, Tubogyra

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Type: Oriostoma

Ecology: stationary epifaunal suspension feeder