Claim: Haplocochlias cubensis is a species mollusk under the Skeneidae, a family of small shells that do not have the pearly innermost layer, of the order Trochida.
Evidence: Haplocochlias cubensis is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea. This family is assemblage of small to very small shells that lack a nacreous structure. Order: Trochida