Subfamily Dinogymnioideae

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Subfamily Dinogymnioideae

Citation: Dinogymnioideae ( Sarjeant and Downie, 1974) Fensome et al., 1993b.

Diagnosis:Ptychodiscaceans in which dinosporin is the principal element in the pellicle and in which the ecdysal aperture is apical.

Type genus:Fossil genera:

Parent: Family Ptychodiscaceae