[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Dinophyceae Pascher (1914)
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
         Order Gonyaulacales F.J.R. Taylor (1980)
           Suborder Ceratiineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
             Family Ceratiaceae Kof. (1907)
               Genus Ceratium Schrank (1793)
                 01 Ceratium arietinum Cleve (1901)
                 02 Ceratium belone Cleve (1901)
                 03 Ceratium biceps Claparède & Lachmann
                 04 Ceratium breve (Ostenfeld & Schmidt) Schröder (1906)
                 05 Ceratium candelabrum (Ehrenb.) Stein
                 06 Ceratium carriense Gourret (1883)
                 07 Ceratium compressum Gran
                 08 Ceratium concilians Jörgensen (1920)
                 09 Ceratium contortum (Gourret) Cleve
                 10 Ceratium contrarium (Gourret) Pavillard
                 11 Ceratium declinatum (Karsten) Jörgensen
                 12 Ceratium digitatum Schütt (1896)
                 13 Ceratium euarcuatum Jörgensen (1920)
                 14 Ceratium falcatiforme Jörgensen
                 15 Ceratium falcatum (Kofoid) Jörgensen
                 16 Ceratium furca (Ehrenb.) Claparède & Lachmann (1858)
                 17 Ceratium fusus (Ehrenb.) Dujardin (1841)
                 18 Ceratium gibberum Gourret (1883)
                 19 Ceratium gravidum Gourret (1883)
                 20 Ceratium hexacanthum Gourret (1883)
                 21 Ceratium hirundinella (O.F. Müller) Bergh
                 22 Ceratium horridum (Cleve) Gran (1902)
                 23 Ceratium incisum (Karsten) Jörgensen
                 24 Ceratium inflatum (Kofoid) Jörgensen
                 25 Ceratium kofoidii Jörgensen (1920)
                 26 Ceratium limulus (Pouchet) Gourret (1883)
                 27 Ceratium lineatum (Ehrenb.) Cleve (1899)
                 28 Ceratium longirostrum Gourret (1883)
                 29 Ceratium macroceros (Ehrenb.) Vanhöffen (1897)
                 30 Ceratium massiliense (Gourret) Karsten
                 31 Ceratium minutum Jörgensen (1920)
                 32 Ceratium paradoxides Cleve
                 33 Ceratium pentagonum Gourret (1883)
                 34 Ceratium ranipes Cleve (1901)
                 35 Ceratium schroeteri Schröder
                 36 Ceratium setaceum Jørg. (1920)
                 37 Ceratium strictum (Okamura & Nishikawa) Kofoid
                 38 Ceratium symmetricum Pavillard
                 39 Ceratium teres Kofoid (1907)
                 40 Ceratium trichoceros (Ehrenb.) Kofoid
                 41 Ceratium tripos (Müll.) Nitzsch (1817)
                 42 Ceratium vultur Cleve