Kallosphaeridium yorubaense
From dinoflaj3
yorubaense Jan du Chêne and Adediran, 1985, p.22–23, pl.6, figs.7–12; pl.7, figs.7–10, pl.10; figs.1–4; text-fig.7. Holotype: Jan du Chêne and Adediran, 1985, pl.6, figs.11–12. Age: late Paleocene–early Eocene.
Parent: Kallosphaeridium