Chrysomelidae Latreille, 1802
Cryptonychus angusticeps Gestro, 1907
Cryptonychus apicalis Pic, 1924
Cryptonychus apicicornis Kolbe, 1899
Cryptonychus barombicus Kolbe, 1899
Cryptonychus breviceps Weise, 1911
Cryptonychus brevicollis Gestro, 1906
Cryptonychus crassirostris Gestro, 1906
Cryptonychus cribricollis Gestro, 1906
Cryptonychus devius Kolbe, 1899
Cryptonychus discolor Gestro, 1906
Cryptonychus dubius Baly, 1858
Cryptonychus exiguus Spaeth, 1933
Cryptonychus extremus Péringuey, 1898
Cryptonychus ferrugineus Spaeth, 1933
Cryptonychus gracilicornis Kolbe, 1899
Cryptonychus interpres Kolbe, 1899
Cryptonychus kolbei Weise in Schubotz, 1913
Cryptonychus leonardi Gestro, 1906
Cryptonychus leoninus Spaeth, 1933
Cryptonychus lionotus Kolbe, 1899
Cryptonychus murrayi Baly, 1858
Cryptonychus neavei Spaeth, 1933
Cryptonychus nigrofasciatus Pic, 1934
Cryptonychus porrectus Gyllenhal in Schönherr, 1817
Cryptonychus proboscideus Thomson, 1858
Cryptonychus procerus Weise in Schubotz, 1915
Cryptonychus schoutedeni Uhmann, 1937
Cryptonychus sorex Uhmann, 1954
Cryptonychus striolatus Uhmann, 1936
Cryptonychus tenuirostris Gestro, 1906
