Charlesdowniea aculeata
From dinoflaj2
aculeata (Michoux, 1988, p.24,26, pl.1, figs.1,4,7-8; pl.2, figs.1-2; text-figs.5A-B,6A-B) Lentin and Vozzhennikova, 1990, p.74. Holotype: Michoux, 1988, pl.1, figs.1,4,7; text-figs.5A-B. Originally Kisselevia, subsequently (and now) Charlesdowniea. Age: Early Eocene.
Parent: Charlesdowniea