Family Crypthecodiniaceae

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Family Crypthecodiniaceae

Citation: Crypthecodiniaceae Biecheler 1938 ex Chatton 1952.

Diagnosis:Gonyaulacaleans in which the cingulum of the motile cell does not contact the right margin of the sulcus. This contact is prevented by a large plate to the right of the sulcus, which extends from the hyposome to the episome across the line of the cingulum.

Type genus:Extant genus:
Order Gonyaulacales Suborder uncertain