RASNITSYN, A. P. New Euthygramma (Insecta: Caloneurida) from the Kulchumovo Formation (Vyatkian Stage, Upper Permian) of Vyazovka (Orenburg Region of Russia). Zootaxa, Auckland, New Zealand, v. 5715, n. 1, p. 317–320, 2025. DOI: 10.11646/zootaxa.5715.1.30. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.5715.1.30. Acesso em: 30 oct. 2025.