Rasnitsyn AP. New Euthygramma (Insecta: Caloneurida) from the Kulchumovo Formation (Vyatkian Stage, Upper Permian) of Vyazovka (Orenburg Region of Russia). Zootaxa [Internet]. 2025 Oct. 28 [cited 2025 Oct. 30];5715(1):317-20. Available from: https://www.mapress.com/zt/article/view/zootaxa.5715.1.30