Permula tshekardensis (Aristov, 2004) comb. n. Fig. 2

Sojanopermula tshekardensis Aristov 2004a: 107, fig. 10a (holotype - positive imprint of incomplete forewing; PIN 1700/1151; examined).

Material.

Holotype only.

Horizon.

Kungurian Stage, Koshelevka Formation (the Lower Permian).

Locality.

Tshekarda locality, Krasnaya Gora Mountain on the left bank of Sylva River near the Tshekarda village, Suksun District, Perm Region, Russia.

Description.

Anterior margin of forewing convex; SC reaching the apical quarter of wing; costal area distinctly broader than intercubital one; RS with more than two branches, distinctly separated from MA; MA simple or bifurcate near the apex of forewing; MP with three or four branches directed to the posterior margin of wing; CuA with three branches; CuP curved; A1 and A2 straight and simple; cross-veins are simple or forming a double row of cells in the areas between MP and CuA, and between CuA and CuP.

Measurements.

Length of forewing 30 mm.