Family Protoperidiniaceae diagnosis

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Family Protoperidiniaceae

Citation: Protoperidiniaceae Bujak and Davies 1983 ex Bujak and Davies 1983 in Fensome et al. 1998 nom. cons. prop.

Diagnosis:Peridinialeans in which the cingulum is distinct and comprises three cingular plates, excluding the transitional plate. There are no intracingular boundaries on the dorsal surface.