Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Ostreopsidaceae Er. Lindem. (1928)
       Genus Ostreopsis Johannes Schmidt (1901)
         1014 Ostreopsis belizeana Faust
         1015 Ostreopsis caribbeana Faust
         1016 Ostreopsis heptagona D.R. Norris, J.W. Bomber & E. Balech
         1017 Ostreopsis labens M.A. Faust & S.L. Morton
         1018 Ostreopsis lenticularis Fukuyo (1981)
         1019 Ostreopsis marina Faust
         1020 Ostreopsis mascarenensis J.P. Quod
         1021 Ostreopsis ovata Fukuyo
         1022 Ostreopsis siamensis J. Schmidt