Gastropoda - Trochoidea - Trochidae

Parent taxon: Trochinae according to B. Wilson 1993

Sister taxa: Alcyna, Cantharidella, Cantharidini, Cantharidus, Clanculus, Discotectus, Eurytrochus, Fagnastesia, Gibbula, Infundibulum, Jujubinus, Monodonta, Nanula, Notogibbula, Phasianotrochus, Plectotrochus, Pyramis, Tectus, Tosatrochus, Trochini, Oxystele, Chlorodiloma, Austrocochlea, Diloma, Osilinus

Subtaxa: Calthalotia arruensis

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Ecology: epifaunal grazer