Gastropoda - Heterobranchia

Alternative spelling: Pyramidellacea

Parent taxon: Heterobranchia according to G. Rosenberg et al. 2006

Sister taxa: Architectonicoidea, Doridoidea, Kuskokwimiidae, Nerineoidea, Omalogyroidea, Rissoelloidea, Valvatoidea

Subtaxa: Amathinidae, Conusella, Ebalidae, Heteronerita, Heteroneritidae, Jaminia, Pyramidellidae, Streptacididae, Tjaernoiidae

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