Cylichna orycta (R.B. Watson, 1883)
Cylichnella oryza (J.G. Totten, 1835)
Truncacteocina oryzaella (T. Habe, 1956)
Abderospira oviformis (FOSSIL) (Meyer, 1886 †)
Cylichnella ovumlacerti (FOSSIL) R.J.L. Guppy, 1874 †
Cylichna parallela A. Adams, 1862
Bullaria paupercula (FOSSIL) Sowerby, 1849 †
Cylichna pertenuis E.A. Smith, 1875
Cylichna pessumata (FOSSIL) N.F. Sohl, 1964 †
Cylichna petiti P. Dautzenberg, 1923
Cylichna piettei P. Dautzenberg & H. Fischer,1896
Cylichna pizarro (W.H. Dall, 1908)
Cylichnania plana (FOSSIL) C.R. Laws, 1939 †
Cylichna propecylindracea (A. De Gregorio, 1890)
Cylichna protracta Gould, 1859
Cylichna proxima A. Adams, 1862
Cylichna pumila A. Adams, 1862
Abderospira punctulata (FOSSIL) (A. Adams, 1862 †)
Cylichna pusilla (W.H. Pease, 1860)
Cylichnania putealis (FOSSIL) Finlay & J. Marwick,1937 †
Cylichna quercinensis (FOSSIL) (W.H. Dall †)
Cylichna remissa E.A. Smith, 1890
Cylichna reticulata R.B. Watson, 1881
Mamillocylichna richardi (P. Dautzenberg, 1889)
Cylichna rimata A. Adams, 1862
Cylichnella rolleri (Ev. Marcus, 1977)
Abderospira sabina (FOSSIL) K.V.W. Palmer, 1937 †
Cylichna salbriacensis (FOSSIL) M.A. Peyrot, 1932 †
Bullaria sarahberlinerae (FOSSIL) C.J. Maury, 1917 †
Cylichna sarsii R.A. Philippi, 1850
Cylichna scabra (J.F. Gmelin, 1791)
Cylichna secalina (FOSSIL) Shumard, 1861 †
Cylichna seredibensis (H.B. Preston, 1905)
Cylichna sibogae M.M. Schepman, 1913
Eocylichna sigmolabris (T. Habe & Y. Ando, 1985)