Euryauchenia fischeri phasmoides J. Grego & M. Szekeres,2011 Vietnam, Ninh Binh35 mm
Euryauchenia fischeri reticulata (H. Nordsieck, 2002) Vietnam, Dong Giao
Nordsieckia fischeri (FOSSIL) (Michaud, 1862) †
Synprosphyma fistulata (A.R.J.B. Bavay& P. Dautzenberg, 1909) Vietnam, Pac-Kha27,7 mm
Euphaedusa fitzgeraldae (O. Böttger, 1879)
Peruinia flachi (O. Böttger, 1889) Peru, Huanuco23,3 mm
Peruinia flachi superba W.K. Weyrauch, 1960 Peru25 mm
Peruinia flachi tingamariae (H.A. Pilsbry, 1922) Peru, Huanuco25 mm
Andiniella flammulata (F.E. Loosjes, 1957) Peru, Junin19,4 mm
Andiniella flammulata unicolor H. Nordsieck, 2005 Peru, Junin12,5 mm
Clausilia flaveola A.R.J.B. Bavay& P. Dautzenberg, 1915 Vietnam, Thuyen-Quang12,8 mm
Balea flavida (N.H. Odhner, 1960)
Laminifera flexidens (FOSSIL) (O. Boettger, 1875) †
Incania florezi W.K. Weyrauch, 1964 Peru, Cuzco
Cristataria florieni (P.M. Pallary, 1939)
Castanophaedusa fontainei Páll-Gergely & Szekeres,2017
Albinaria forbesiana (L. Pfeiffer, 1846) Turkey, Alara Castle
Albinaria forbesiana bigibbosa (J.G.F. de Charpentier,1847) Greece14,6 mm
Cristataria forcarti (H. Nordsieck, 1971) Israel14,6 mm
Illunellaria forcarti H. Nordsieck, 1995 Iran21,4 mm
Agathylla formosa E.A. Rossmässler Montenegro
Formosana formosensis (A. Adams, 1873) Taiwan27 mm
Formosana formosensis albida (C.K. Chang, 1991) Taiwan25 mm
Oospira fornicata (F.E. Loosjes, 1963)
Formosana fortunei (L. Pfeiffer, 1852) China, Zhejiang25 mm
Synprosphyma franciscana (O.F. von Möllendorff,1885) HuBei, China29,5 mm
Macrophaedusa frankei (O. Böttger& P.B. Schmacker, 1894)
Nenisca franzi F.G. Thompson, 1998 Haiti22,2 mm
Symptychiella fratermajor H. Nordsieck, 2010 Peru, San Martin15 mm
Synprosphyma fraterminor (P.V. Gredler, 1892) China, Sunsan
Bulgarica fraudigera (E.A. Rossmässler, 1839) Bulgaria14 mm
Macedonica frauenfeldi (E.A. Rossmässler, 1856) Macedonia
Macedonica frauenfeldi riedeli J. Urbanski, 1960 Bulgaria16 mm
Macedonica frauenfeldi sigma (C.A. Westerlund, 1884) Serbia16 mm
Liparophaedusa freyi (A.R.J.B. Bavay& P. Dautzenberg, 1899) Vietnam, Cho-Moï29,8 mm