Claim: Skenea profunda is in the Skeneidae family within the Trochoidea subfamily and the Trochida family (an order neither of small nor very large vetigastropod).
Evidence: Skenea profunda is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Family: Skeneidae Superfamily: Trochoidea Order: Trochida Trochida is an order of small to very large vetigastropod, Recent and extinct sea snails with gills and an operculum.