Charlesdowniea columna
From dinoflaj3
"columna" (Michoux, 1988, p.28,30, pl.1, figs.2–3,5–6; pl.2, figs.3–5; text-figs.7A–B) Lentin and Vozzhennikova, 1990, p.74. Holotype: Michoux, 1988, pl.1, figs.2–3. NOW Piladinium. Originally Kisselevia, subsequently Charlesdowniea, thirdly (and now) Piladinium. N.I.A. Age: early Eocene.
