Hi Alfonso Fisher 1885 - Proposed it as a separate taxa removed from under Trochidae Cotton 1959 - Considers it a sub-family under Liotiidae Vaught 1988 - Places it as a full family Hickman & McLean 1990 - Replaced it as synonymous with the Family Skeneidae, the Genus remains intact. Leslie HARF/IMCS _________________________________________________________________________ Hello, Anybody can tell me if Cyclostrematidae are considered now more as a subfamily of Turbinidae, or an independent family, or ...what? Thanks in advance, Alfonso Pina Málaga, Spain www.eumed.net/malakos