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Yolkinigymnium lanceolatum

*Yolkinigymnium lanceolatum (May, 1977, p.115, pl.2, figs.9-10) Lentin and Vozzhennikova, 1990, p.30.

TYPE: Holotype: May, 1977, pl.2, figs.9-10; Lentin and Vozzhennikova, 1990, Appendix A, fig.41.

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

AGE: Late Campanian-Early Maastrichtian.


Infraspecific taxa:


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