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Microdinium dentatum subsp. sphaericum

"Microdinium dentatum subsp. sphaericum" (Vozzhennikova, 1967, p.95-96, pl.36, figs.2a-b; pl.38, figs.1a-b) Lentin and Williams, 1973, p.95.

EMENDATION: Lentin and Vozzhennikova, 1990, p.115, as Sokolovidinium sphaericum.

TYPE: Holotype: Vozzhennikova, 1967, pl.38, figs.1a-b; Lentin and Vozzhennikova, 1990, pl.13, figs.5-6; text-fig.67.

HISTORY: NOW: Sokolovidinium sphaericum. Originally Microdinium dentatum forma sphaericum, subsequently Microdinium dentatum subsp. sphaericum, thirdly (and now) Sokolovidinium sphaericum.

AGE: Late Cretaceous.


Infraspecific taxa:


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