Full reference: A. G. Ponomarenko. 1977. Paleozoic Members of the Megaloptera (Insecta). Paleontological Journal 11(1):73-81
Type specimen: PIN 94/1217, a forewing. Its type locality is Soyana (Iva Gora, PIN collection 94), which is in a Roadian lagoonal siliciclastic in the Russian Federation.
Average measurements (in mm): forewing 13.6 x 5.1