From Fensome et al., 2019:
Sophismatia ?exouros (Islam, 1983c, p.88, pl.3, figs.3–4) Williams et al., 2015, p.313. Holotype: Islam, 1983c, pl.3, fig.3. Originally Kisselevia tenuivirgula subsp. exouros, subsequently Charlesdowniea tenuivirgula subsp. exouros, thirdly (and now) Sophismatia? exouros. Questionable assignment: Williams et al. (2015, p.313). Age: Middle Eocene.

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