Wetzeliella coleothrypta
From dinoflaj2
"coleothrypta" Williams and Downie, 1966b, p.185-186, pl.18, fig.8; text-fig.47. Holotype: Williams and Downie, 1966b, pl.18, fig.8; text-fig.47; Bujak et al., 1980, pl.12, figs.7-8. NOW Charlesdowniea. Originally Wetzeliella, subsequently Kisselevia, thirdly (and now) Charlesdowniea. Age: Early Eocene.
Parent: Wetzeliella