Class Dinophyceae Pascher (1914) Order Noctilucales Haeckel (1894) 1 Family Kofoidiniaceae F.J.R. Taylor (1976) 2 Family Leptodiscaceae Kof. (1905) 3 Family Noctilucaceae Kent (1881) 4 ?Family Protodiniferaceae Kof. & Swezy (1921)