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FAMILY
Ptychodiscaceae

Citation: Ptychodiscaceae Willey and Hickson 1909.

Diagnosis: Ptychodiscaleans in which the motile cell is fundamentally gymnodinioid in shape, lacking specialized extensions or arms. The pellicle is formed primarily of cellulose or dinosporin and does not form a basket-like, peripheral skeleton.


DINOFLAJ (c) 1998