ammonites
Mesotaeniopteryx elongata Martynov 1937 (stonefly)

Insecta - Plecoptera - Perlariopseidae

Full reference: A. V. Martynov. 1937. Liassic insects from Shurab and Kisyl-Kiya Part I Various orders except Blattodea and Coleoptera. Trudy Paleontologicheskogo Instituta 7:1-178

Belongs to Mesotaeniopteryx according to A. V. Martynov 1937

Sister taxa: Mesotaeniopteryx klapaleki, Mesotaeniopteryx semisessilis, Mesotaeniopteryx splendida

Type specimen: PIN 976/4, a forewing. Its type locality is Shurab II, Ditch 63, which is in a Pliensbachian terrestrial horizon in the Sulyukta Formation of Tajikistan.

Ecology: volant detritivore-omnivore

Average measurements (in mm): forewing length 19.0