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Yolkinigymnium elongatum

Yolkinigymnium elongatum (May, 1977, p.112,114, pl.2, figs.11-12) Lentin and Vozzhennikova, 1990, p.31.

TYPE: Holotype: May, 1977, pl.2, figs.11-12; Lentin and Vozzhennikova, 1990, Appendix, A, fig.42.

HISTORY: Originally Dinogymnium, subsequently (and now) Yolkinigymnium.

AGE: Late Campanian-Early Maastrichtian.


Infraspecific taxa:


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