Phenacotaxus florezi W.K. Weyrauch, 1967
Tocobaga floridanus (FOSSIL) (T.A. Conrad, 1846 †)
Drymaeus floridianus W.G. Binney, 1859
Naesiotus florschuetzi A.S.H. Breure, 1978
Bulimulus flossdorfi E.L. Holmberg, 1909
Drymaeus fluctuatus (H.H. Beck, 1837)
Rabdotus fonsecanus (F. Haas, 1961)
Naesiotus fontainii (A.V.M.D. D'Orbigny,1837)
Drymaeus fordii H.A. Pilsbry, 1898
Naesiotus fourmiersi (A.V.M.D. D'Orbigny,1837)
Bostryx fragilis A.S.H. Breure& V. Mogollón Avilla, 2010
Bostryx frederici A.S.H. Breure, 1978
Drymaeus fresnoensis H.A. Pilsbry, 1898
Drymaeus fucatus (L.A. Reeve, 1849)
Bostryx fuligineus A.S.H. Breure, 1978
Drymaeus funeralis (J.G. Bruguière, 1789)
Drymaeus fusagasuganus H.A. Pilsbry, 1935
Drymaeus fuscobasis (E.A. Smith, 1877)
Bulimulus fuscus (L. Guilding, 1828.)
Drymaeus fusoides (A.V.M.D. D'Orbigny,1835)
Mesembrinus gabbi G.F. Angas, 1879
Naesiotus gabbi J.C.H. Crosse& P.H. Fischer, 1872
Drymaeus gabbianus W.G. Binney, 1884
Naesiotus galapaganus (L. Pfeiffer, 1854)
Peronaeus gayi H.A. Rehder, 1945
Bulimulus gelidus L.A. Reeve, 1849
Drymaeus geometricus (L. Pfeiffer, 1846)
Naesiotus geophilus W.K. Weyrauch, 1967
Naesiotus gerenorum A.S.H. Breure, 1977
Drymaeus gereti C.M.F. Ancey, 1901
Drymaeus germaini C.M.F. Ancey, 1892
Mesembrinus ghiesbreghti E.C. Von Martens, 1893
Mesembrinus ghiesbreghti iodostylus L. Pfeiffer, 1861
Drymaeus gibber F. Haas, 1949
Naesiotus gigantensis C.C. Christensen& W.B. Miller, 1977