Charlesdowniea tenuivirgula
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"tenuivirgula" (Williams and Downie, 1966b, p.188-189, pl.19, figs.1-2,4-5,7; text-figs.49-50) Lentin and Vozzhennikova, 1989, p.227. Holotype: Williams and Downie, 1966b, pl.19, figs.2,4; text-fig.49. NOW Sophismatia. Originally Wetzeliella, subsequently Kisselevia, thirdly Charlesdowniea, fourthly (and now) Sophismatia. Age: Early Eocene.
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