Family Ptychodiscaceae diagnosis

From dinoflaj2
Revision as of 00:53, 1 September 2015 by Maintenance script (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
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.