Tshepanichoptera lacera Aristov, 2008

Aristov, Daniil S. & Storozhenko, Sergey Yu., 2011, Review of the Permian family Permulidae nomen novum pro Aliculidae Storozhenko, 1997 (Grylloblattida), ZooKeys 130, pp. 111-130 : 118

Tshepanichoptera lacera Aristov, 2008 Fig. 9

Tshepanichoptera lacera Aristov in Aristov and Bashkuev 2008: 57, fig. 2d (holotype - positive and negative imprints of forewing without apex and with anal area separated; PIN 3286/14; examined).

Material.

Holotype only.

Horizon.

Urzhumian Stage (the Middle Permian).

Locality.

Chepanikha locality, Rossokha River 1.8 km north of the Chepanikha village, Zavyalovsk District, Udmurtia, Russia.

Description.

Anterior margin of forewing straight; SC reaching the apical quarter of wing; costal area considerably narrower than intercubital one; RS distinctly separated from MA; MA forked; MP with two branches directed to the posterior margin of forewing; CuA with two branches; cross-veins in almost all areas forming a double row of cells, but in the areas between MP and CuA, between branches of CuA and in anal area, cross-veins forming numerous rows of cells.

Measurements.

Length of forewing about 18 mm.