Kisselevia tenuivirgula subsp. exouros Islam, 1983c, p.88, pl.3, figs.3-4.

NOW Sophismatia? exouros. Originally Kisselevia tenuivirgula subsp. exouros, subsequently Charlesdowniea tenuivirgula subsp. exouros, thirdly (and now) Sophismatia? exouros.

Holotype: Islam, 1983c, pl.3, fig.3.
Age: Mid Eocene.