Apiococcus Korshikov, 1926 (original description)
Chrysobotrys W. Conrad, 1926 accepted as Chrysobotriella E. Strand, 1928 (original description)
Craspedonotus Kahl, 1926 (original description)
Gymnopithus Kahl, 1926 (original description)
Homalogastra Kahl, 1926 (original description)
Malacophrys Kahl, 1926 (original description)
Massartia Conrad, 1926 accepted as Katodinium Fott, 1957 (original description)
Micropithus Kahl, 1926 (original description)
Paraglaucoma Kahl, 1926 (original description)
Phyllodinium W. Conrad, 1926 accepted as Kryptoperidinium Lindemann, 1924 (original description)
Pithothorax Kahl, 1926 (original description)
Platyophrya Kahl, 1926 (original description)
Rhagadostoma Kahl, 1926 (original description)
Rhopalophrya Kahl, 1926 (original description)
Sciadostoma Kahl, 1926 (original description)
Spathidiodes Kahl, 1926 accepted as Spathidiella Kahl, 1930 (original description)
Spathidiopsis Kahl, 1926 (original description)
Spirozona Kahl, 1926 (original description)
Thoracophrya Kahl, 1926 (original description)
Trochodinium Conrad, 1926 (original description)