Gastropoda - Cephalaspidea - Acteonidae

Alternative spelling: Bulla (Volvula)

Parent taxon: Acteocinidae according to A. A. Olsson and A. Harbison 1953

Sister taxa: Cylindrotruncatum, Goniocylichna, Scobinidola, Sulcularia, Zikkuratia

Subtaxa: Volvula iota

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Ecology: epifaunal carnivore