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: Go up one level. DINOFLAJ (c) 1998 |