Subfamily ProtoperidinioideaeCitation: Protoperidinioideae (Autonym).
Diagnosis:Protoperidiniaceans in which there are five or more climactal plates and two antapical plates ( fundital plates).
Type genus:Extant genera:Fossil genera:
Barssidinium Lentin et al., 1994; Miocene? (Serravalian?)-Pliocene.
Brigantedinium Reid, 1977 ex Lentin and Williams, 1993; Holocene.
Capillicysta Matsuoka and Bujak in Matsuoka et al., 1987; Mid-Late Miocene.
Cristadinium Head et al., 1989b; Late Miocene.
Deflagymnium Olaru, 1978a; Cretaceous (Maastrichtian).
Erymnodinium Lentin et al., 1994; Late Miocene.
Gerlachidium Benedek and Sarjeant, 1981; Mid-Late Oligocene.
Leipokatium Bradford, 1975; Holocene.
Lejeunecysta Artzner and Dörhöfer, 1978; Late Oligocene.
Phelodinium Stover and Evitt, 1978; Cretaceous (Senonian).
Pseudoalterbia Mao Shaozhi and Norris, 1988; Cretaceous (Turonian-Santonian).
Quinquecuspis Harland, 1977b; Holocene.
Selenopemphix Benedek, 1972; Mid-Late Oligocene.
Stelladinium Bradford, 1975; Holocene.
Sumatradinium Lentin and Williams, 1976; Mid Miocene.
Trinovantedinium Reid, 1977; Holocene.
Votadinium Reid, 1977; Holocene.
Xandarodinium Reid, 1977; Holocene.
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Parent: Family Protoperidiniaceae