Parachondria stigmosa Watters, 2016
Subannularia storchi (L. Pfeiffer, 1861) Cuba
Weinlandipoma stricticostatum (H. von Maltzan) Haiti
Wrightudora suavis (C. de la Torre& P. Bartsch, 1941) Cuba
Pomatias subcampanulatum J.F. Mabille, 1886 Madagascar
Cyclotopsis subdiscoidea (G.B. Sowerby, 1850) India, Cuddalore16 mm
Tropidophora subdygana E. Fischer-Piette, 1949 Madagascar
Chondrothyra subegregia C. de la Torre& P. Bartsch, 1938 Cuba26 mm
Opisthosiphon subobtectum C. de la Torre& P. Bartsch, 1941 Cuba
Opisthosiphon subobturatum C. de la Torre& J. Henderson, 1920 Cuba
Parachondria subreticulata (H. von Maltzan) Haiti
Tudorella sulcata (J.P.R. Draparnaud, 1805) Italy, Agrigento18 mm
Tudorella sulcata mauretanica (J.B.P.A. Lamarck, 1811) Morocco, cap Cantin24 mm
Tudorella sulcata melitense (G.B. Sowerby, 1843) Malta13 mm
Tudorella sulcata multisulcata (V.L.V. Potiez& A. Michaud, 1838) Italy, Trapani13 mm
Tudorella sulcata pachya (P.M. Pallary, 1936) Morocco, cap Cantin22 mm
Tudorella sulcata panormitana C.F. Sacchi, 1954 Italy, Sicily Island16,95 mm
Choanopoma sumichrasti J.C.H. Crosse& P.H. Fischer, 1874 Mexico, Tehuantepec
Chondropoma superbus J. Henderson& C.T. Simpson, 1902 Cuba
Tropidophora surda E. Fischer-Piette, F. Blanc& F. Salvat, 1969 Madagascar
Lithidion suturale E. Neubert, 2002 Yemen, Socotra10 mm
Chondropoma swifti (R.J. Shuttleworth, 1854) Dominican Republic18,9 mm
Chondropoma swifti azuense P. Bartsch, 1946 Dominican Republic
Chondropoma swifti barahonense P. Bartsch, 1946 Dominican Republic24 mm
Chondropoma swiftianum (C.D. Weinland) Haiti
Annularisca tacrensis C. de la Torre& P. Bartsch, 1941 Cuba
Parachondria tappaniana (C.B. Adams, 1851) Jamaica
Tudora tectilabre (C.B. Adams, 1849) Jamaica
Chondrothyrium tejedori M.I. Sánchez Roig, 1951 Cuba
Chondrothyretes tenebrata (C. de la Torre& P. Bartsch, 1939) Cuba
Chondrothyretes tenebrata montalvensis (C. de la Torre& P. Bartsch, 1938) Cuba20 mm
Abbottella tenebrosa G.T. Watters, 2013 Dominican Republic
Chondrothyrella tenebrosa (P.M.A. Morelet, 1849) Cuba
Abbottella tentorium (L. Pfeiffer, 1850) Dominican Republic
Tropidophora tenuis (G.B. Sowerby, 1843)