Alterbidinium earnleyense

?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