From Fensome et al., 2019:
Alterbidinium rugulum, Iakovleva and Kulkova, 2001, p.16, pl.8, figs.8,12–14; text-fig.10.
Holotype: Iakovleva and Kulkova, 2001, pl.8, figs.8,12–14.
Age: Early Eocene (Ypresian).

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