Gastropoda - Littorinoidea - Pickworthiidae

Parent taxon: Pickworthiidae according to D. T. Dockery 1993

Sister taxa: Ampullosansonia, Astrosanonia, Chrystella, Clatrosansonia, Discrevinia, Gania, Mareleptopoma, Microliotia, Pelycidiinae, Pickworthiinae, Reynellona, Sansonia, Sherbornia, Sherborniinae, Tinianella

Subtaxa: Urceolabrum mantachieensis

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Ecology: epifaunal grazer