Poteria adamsi P. Bartsch, 1942 Jamaica
Ostodes adjunctus A. Mousson Samoa
Aperostoma agassizi C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Brazil20 mm
Aperostoma allantayum P. Bartsch& J.P.E. Morrison, 1942
Neocyclotus amazonense (P. Bartsch& J.P.E. Morrison, 1942) Brazil
Amphicyclotus amethystinus (R.J.L. Guppy, 1868) Dominica18,2 mm
Cyclopedus anselini O. Gargominy& I.V. Muratov, 2012 French Guiana
Ostodes artensis (R.P. Montrouzier, 1859)
Calacyclotus atratensis P. Bartsch& J.P.E. Morrison, 1942 Colombia, Atrato river
Poteria aulari H.B. Baker, 1923
Cycladamsia bairdiana (E. Chitty, 1857) Jamaica
Cyclochittya balnearis (P. Bartsch, 1942) Jamaica
Aperostoma balsasense P. Bartsch& J.P.E. Morrison, 1942
Lagocyclus bartletti (C.B. Adams, 1870)
Amphicyclotus beauianus (S.A.A. Petit De La Saussaye, 1853) Guadeloupe
Poteria bejumensis H.B. Baker, 1923
Neocyclotus bisinuatus (E.C. Von Martens, 1864) Costa Rica
Neocyclotus blanchetianus (S. Moricand, 1833) Brazil, Bahia25 mm
Neocyclotus bogotense (L. Pfeiffer, 1855)
Amphicyclotus boucardi (L. Pfeiffer, 1856) Veracruz, Mexico
Barbacyclus boucardi (G.F. Angas, 1878) Costa Rica
Calaperostoma bourcieri (L. Pfeiffer, 1852) Ecuador26 mm
Poteria bowdenensis (P. Bartsch, 1942)
Dublonia brazieri W.J. Clench, 1949 Micronesia
Neocyclotus braziliensis (J.E. Gray, 1839) Brazil12 mm
Incidostoma brujense C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Panama37 mm
Poteria burringtoni P. Bartsch& J.P.E. Morrison, 1942 Jamaica
Poteria campeachyi (H.B. Baker, 1934) Jamaica
Neocyclotus capscelius F.G. Thompson, 1969 Costa Rica
Neocyclotus carabobensis (C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942) Venezuela15 mm
Poteria cardozi H.B. Baker, 1923
Incidostoma carmioli (P. Bartsch& J.P.E. Morrison, 1942) Costa Rica
Poteria caymanensis H.A. Pilsbry, 1930 Caymans
Calaperostoma chanchapoyasense (S.I. Da Costa, 1906)
Cyclochittya chittyi (P. Bartsch, 1942) Jamaica