Joculator flindersi B.C. Cotton, 1951
Oparopsis floresi (A. Cecalupo & I. Perugia,2014)
Cerithiopsis floridana W.H. Dall, 1892
Cerithiopsis fosterae J.C. Melvill & R. Standen,1896
Cerithiopsis foveolata (G.B. III Sowerby, 1892)
Cerithiopsis fraseri P. Bartsch, 1921
Horologica fraudulenta A. Cecalupo & I. Perugia,2013
Joculator frequens A. Cecalupo & I. Perugia,2012
Joculator furvus A. Cecalupo & I. Perugia,2012
Ondulopsis fusca A. Cecalupo & I. Perugia,2012
Horologica fuscocincta A. Cecalupo & I. Perugia,2013
Cerithiopsis fuscoflava E. Rolán & J. Espinosa,1996
Joculator fuscostriatus A. Cecalupo & I. Perugia,2013
Joculator fuscus A. Cecalupo & I. Perugia,2012
Cerithiopsis fusiformis (C.B. Adams, 1850)
Clathropsis fuzzii A. Cecalupo & I. Perugia,2014
Seila gagei (FOSSIL) P.A. Maxwell, 1992 †
Cerithiopsis galapagensis P. Bartsch, 1911
Joculator garianii A. Cecalupo & I. Perugia,2013
Marshallopsis gattellii A. Cecalupo & I. Perugia,2012
Cerithiopsilla gaussiana E.N. Egorova, 1972
Horologica gediceae A. Cecalupo & I. Perugia,2014
Joculator gemmae A. Cecalupo & I. Perugia,2012
Cerithiopsis gemmulosa (C.B. Adams, 1850)
Clathropsis gemmunziae Cecalupo & Perugia, 2017
Tubercliopsis georgensis (C.F. Laseron, 1951)
Cerithiopsis georgiana W.H. Dall, 1927
Cerithiopsilla georgiana (G.J. Pfeffer, 1886)
Krachiopsis giannuzzii C. Smriglio & P. Mariottini,1999
Joculator giovanolii A. Cecalupo & I. Perugia,2013
Cerithiopsis gissleri A.M. Strong & L.G. Hertlein,1939
Horologica glaubrechti M. Jay & J. Drivas, 2002
Cerithiopsis gloriosa P. Bartsch, 1911
Marshallopsis gofasi Cecalupo & Perugia, 2017
Cerithiopsis gordaensis E. Rolán& R. Fernández-Garcés, 2010