Alterbidinium earnleyense
From dinoflaj3
?earnleyense (Islam, 1983b, p.336, pl.1, figs.10–11) Lentin and Williams, 1985, p.14. Holotype: Islam, 1983b, pl.1, fig.10. Originally Alterbia? (generic name illegitimate), subsequently (and now) Alterbidinium?. Questionable assignment: Lentin and Williams (1985, p.14). Age: middle Eocene.
Parent: Alterbidinium