Chondropoma asymmetricum H.A. Pilsbry, 1933 Haiti
Chondrothyra atristoma C. de la Torre& P. Bartsch, 1938 Cuba
Annularops attenuata (C. de la Torre& P. Bartsch, 1941) Cuba
Chondropoma auberianum (A.V.M.D. D'Orbigny,1842) Cuba13,8 mm
Parachondria augustae (C.B. Adams, 1849) Jamaica17,8 mm
Parachondria augustae rufilabris (C.B. Adams, 1849) Jamaica16,7 mm
Tudora aurantia (W. Wood, 1828) Aruba, Bonaire16,8 mm
Annularisca auricoma (J. Gundlach in L. Pfeiffer, 1859) Cuba11,4 mm
Troschelvindex auriflexum C.G. Aguayo, 1953 Cuba
Parachondria avena (C.B. Adams, 1849) Jamaica
Parachondria avena fraterminor H.A. Pilsbry& A.P. Brown, 1910 Jamaica
Opisthosiphon bacillum C. de la Torre& P. Bartsch, 1941 Cuba
Opisthosiphon bahamiense (R.J. Shuttleworth, 1865) Bahamas8 mm
Chondropoma bairense C. de la Torre& P. Bartsch, 1938 Cuba16 mm
Tropidophora balfouri (H.H. Godwin-Austen,1881) Yemen, Socotra7,8 mm
Tropidophora balteatum (G.B. Sowerby, 1873)
Opisthosiphon banaoense C. de la Torre& J. Henderson, 1921 Cuba
Wrightudora banensis C.G. Aguayo, 1944 Cuba
Colobostylus banksianus (G.B. I Sowerby, 1843) Jamaica
Chondrothyretes barbouri C. de la Torre& P. Bartsch, 1938 Cuba30 mm
Troschelvindex barbouri (C. de la Torre& P. Bartsch, 1941) Cuba
Tropidophora barclayana L. Pfeiffer, 1851 Mauritius
Parachondria barklyana (E. Chitty, 1853) Jamaica
Chondropoma basicarinatum (L. Pfeiffer, 1855) Virgin Islands
Tropidophora bathiei E. Fischer-Piette, 1949 Madagascar
Chondropoma beatensis W.J. Clench, 1932 Dominican Republic14,6 mm
Troschelvindex bebini (R. Arango, 1865) Cuba
Tropidophora belairi (S.A.A. Petit De La Saussaye, 1853) Madagascar
Chondropometes bellissimum C. de la Torre& P. Bartsch, 1938 Cuba
Chondropometes bellum Torré Cuba
Tropidophora bemaraensis E. Fischer-Piette, 1949 Madagascar, Ambongo
Cubadamsiella beneitoi R. Fernández-Garcés, J. Espinosa& J.A. Ortea, 2003 Cuba
Georgia bentiana J.C. Melvill, 1895 Oman16 mm
Lithidion bentii E.A. Smith, 1897 Yemen, Socotra Island11 mm
Bermudezia bermudezi (C. de la Torre& P. Bartsch, 1941) Cuba