Yolkinigymnium lanceolatum
From dinoflaj2
*lanceolatum (May, 1977, p.115, pl.2, figs.9-10) Lentin and Vozzhennikova, 1990, p.30. Holotype: May, 1977, pl.2, figs.9-10; Lentin and Vozzhennikova, 1990, Appendix A, fig.41. Originally Dinogymnium, subsequently (and now) Yolkinigymnium. Age: Late Campanian-Early Maastrichtian.
Parent: Yolkinigymnium
