Amphicyclotus schrammi (R.J. Shuttleworth, 1857)
Aperostoma schunkei F. Haas, 1955
Cycladamsia seminuda (C.B. Adams, 1851)
Poteria senex P. Bartsch, 1942
Austrocyclotus shammi (R.J. Shuttleworth, 1857)
Poteria shawae P. Bartsch, 1942
Neocyclotus simplicostus F.G. Thompson, 1969
Poteria simpsoni (P. Bartsch, 1942)
Aperostoma smithi H.A. Pilsbry & W.F. Clapp,1902
Daronia spirula (C.B. Adams, 1850)
Neocyclotus stramineus (L.A. Reeve, 1843)
Gonatorhaphe stricta (A. Garrett, 1887)
Ostodes strigatus (A.A. Gould, 1847)
Neocyclotus subcingulatum (W. Kobelt, 1912)
Daronia subdisjuncta A. Adams, 1868
Poteria subglobosa (P. Bartsch, 1942)
Poteria subrugosa G.B. Sowerby, 1850
Aperostoma superstructum F. Haas, 1955
Poteria taylori (P. Bartsch, 1942)
Amphicyclotus texturatus (G.B. Sowerby, 1850)
Ostodes tiara A.A. Gould
Neocyclotus translucidus (G.B. Sowerby, 1843)
Neocyclotus translucidus trinitensis (R.J.L. Guppy, 1864)
Cyclobakeria tryoniana (H.A. Pilsbry & A.P. Brown,1910)
Incidostoma tupy L.R.L. Simone, 2004
Barbacyclus underwoodi (S.I. Da Costa, 1900)
Ostodes upolensis A. Mousson
Poteria varians (C.B. Adams, 1854)
Poteria varians portlandensis (E. Chitty)
Lagocyclus vasconesi (F.P. Jousseaume, 1897)
Poteria vendryesi P. Bartsch, 1942
Aperostoma veracocharum P. Bartsch& J.P.E. Morrison, 1942
Poteria vincentina H.A. Pilsbry, 1935
Aperostoma viridulum F. Haas, 1952
Ostodes vitreus H.B. Preston, 1907