ammonites
Spilaptera tanaica Sharov and Sinitshenkova 1977 (winged insect)

Insecta - Palaeodictyoptera - Spilapteridae

Full reference: A. G. Sharov and N. D. Sinitshenkova. 1977. New Palaeodictyoptera from the USSR. Paleontological Journal 11(1):44-59

Belongs to Spilaptera according to A. G. Sharov and N. D. Sinitshenkova 1977

Sister taxa: Spilaptera americana, Spilaptera libelluloides, Spilaptera packardi, Spilaptera venusta

Type specimen: PIN 1866/1, a forewing (tip of forewing). Its type locality is Lomovatka River, Alymaznaya (PIN Collection 1866), which is in a Kasimovian terrestrial siliciclastic in the Isayevian suite Formation of Ukraine.

Ecology:

Average measurements (in mm): forewing length 34.0