Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Protoperidiniaceae Balech (1988), nom. cons.
       88 Genus Boreadinium J.D. Dodge & H.B. Hermes (1981)
       89 Genus Diplopelta F. Stein ex Jørg. (1912)
       90 Genus Diplopsalis Bergh (1882)
       91 Genus Diplopsalopsis Meunier (1910)
       92 Genus Dissodium T.H. Abé (1941)
       93 Genus Gotoius T.H. Abé ex Matsuoka (1988)
       94 Genus Lebouraia T.H. Abé ex Sournia (1986)
       95 Genus Oblea Balech ex Loebl. & A.R. Loebl. (1966)
       96 Genus Preperidinium L. Mangin (1913)
       97 Genus Protoperidinium Bergh (1881)