Diplodonta suprema A.A. Olsson, 1961 West America
Diplodonta tasmanica J.E. Tenison-Woods, 1876 South Australia
Diplodonta torelli J.G. Jeffreys, 1876 Madagascar
Diplodonta transversaria (FOSSIL) A.E.M. Cossmann, 1883 † France, Paris Basin
Diplodonta trigona (A. Scacchi, 1835) Italy, Lampedusa5 mm
Diplodonta trigonula (FOSSIL) H.G. Bronn, 1831 † France, Aquitaine
Cycladicama tsuchii A. Yamamoto & T. Habe,1961 Indo-Pacific
Timothynus turgida (FOSSIL) (T.A. Conrad, 1848 †) USA, Mississippi
Phlyctiderma umida (H. Adams, 1871) Red Sea
Diplodonta undata R. von Cosel, 1995
Ungulina unguiformis (FOSSIL) (Basterot) †
Diplodonta ungulina (FOSSIL) T.A. Conrad, 1833 † USA, Alabama, Monroe
Felaniella usta (A.A. Gould, 1861) Japan, Hokkaido
Timothynus verrilli (W.H. Dall, 1899) America
Felaniella vilardeboaena (A.V.M.D. D'Orbigny,1846) Uruguay23 mm
Diplodonta villardeboeana d'Orbigny, 1842
Diplodonta woodringi (FOSSIL) Anderson, 1929 † Colombia, Barano
Diplodonta zelandica Gray, 1835 Japan20,2 mm