Cancellaria yolandia (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 † Ecuador, Manabi
Cancellaria yonabaruensis (FOSSIL) F.S. MacNeil, 1960 † Okinawa
Sveltia yoyottei R.E. Petit& M.G. Harasewych, 1990 Guadeloupe13,6 mm
Sveltia zahni (FOSSIL) Böse, 1910 † Mexico, Veracruz, IxhuatlC?n del Sureste
Admetula zalayana (FOSSIL) P.O. Jung & R.E. Petit,1990 † Dominican Republic
Admetula zapoteca (FOSSIL) Böse, 1910 † Mexico