Cryptoplax is a genus of polyplacophoran molluscs. The genus consists of the following living species:
Cryptoplax burrowi E. A. Smith, 1884Cryptoplax caledonicus Rochebrune, 1882Cryptoplax dawydoffi Leloup, 1937Cryptoplax dimidiata Ang, 1967Cryptoplax dupuisi Ashby, 1931Cryptoplax elioti Pilsbry, 1901Cryptoplax hartmeyeri Thiele, 1911Cryptoplax iredalei Ashby, 1923Cryptoplax japonica Pilsbry, 1901Cryptoplax larvaeformis Burrow, 1815Cryptoplax mystica Iredale & Hull, 1925Cryptoplax oculata Quoy & Gaimard, 1835Cryptoplax plana Ang, 1967Cryptoplax propior Is. & Iw. Taki, 1930Cryptoplax royana Iredale & Hull, 1925Cryptoplax striata Lamarck, 1819Cryptoplax sykesi Thiele, 1909
