• Pelodinium Lauterborn, 1908
• Phalodinium van Hoven, Gilchrist & Hamilton-Attwell, 1987 (uncertain > nomen dubium)
• Phelodinium L.E. Stover & W.R. Evitt, 1978 †
• Polydinium C.A. Kofoid & O. Swezy, 1921 accepted as Cochlodinium F. Schütt in Engler & Prantl, 1896 [Family: Gymnodiniaceae]
• Polydinium Kofoid, 1935 accepted as Polydiniella Corliss, 1960 [Family: Ciliophora (awaiting allocation)]
• Prionodinium H.A. Leffingwell & R.P. Morgan, 1977 †
• Protodinium Lohmann, 1908
• Protoodinium Hovasse, 1935