Tropidophora winckworthi E. Fischer-Piette, 1949 Madagascar, Diego Suarez
Chondropoma woodringi P. Bartsch, 1947 Dominican Republic17 mm
Annularisca wrighti C. de la Torre& P. Bartsch, 1941 Cuba
Chondropoma wrighti (L. Pfeiffer, 1862) Cuba13,49 mm
Chondrothyra wrighti C. de la Torre& P. Bartsch, 1938 Cuba
Rhytidopoma wrightianum (J. Gundlach in R. Arango, 1881) Cuba
Tropidophora xanthocheila G.B. Sowerby, 1850 Mozambique, Comoro Islands
Colobostylus xanthostoma (G.B. I Sowerby, 1843) Jamaica
Chondropoma xenicum H.A. Pilsbry, 1933 Dominican Republic
Colobostylus yallahensis (C.B. Adams, 1851) Jamaica
Parachondria yaquense P. Bartsch, 1946 Dominican Republic
Annularisca yaterasensis (L. Pfeiffer, 1865) Cuba6 mm
Chondropoma yucayum (Presas in L. Pfeiffer,1863) Cuba
Annularisca yumuriensis C. de la Torre& P. Bartsch, 1941 Cuba
Annularia yunguensis (L. Pfeiffer) Cuba
Chondropoma yunquei H.B. Baker, 1941 Puerto Rico
Annularisca yunquensis (L. Pfeiffer, 1860) Cuba
Lithidion zajonzi E. Neubert, 2002 Yemen, Socotra11,5 mm
Tropidophora zanguebarica (S.A.A. Petit De La Saussaye, 1850) Tanzania30,5 mm
Diplopoma zayasi (M.L. Jaume, 1984) Cuba
Tropidophora zonata S.A.A. Petit De La Saussaye, 1850 Madagascar, Zahamena
Chondropoma zorrillae M.L. Jaume, 1984 Cuba