Ohar, Viktor, and Julien Denayer. “Lower Viséan (Lower Carboniferous) Rugose Corals from the Donets Basin (Ukraine)”. Revista Brasileira de Paleontologia 24, no. 4 (February 22, 2022): 281–310. Accessed December 26, 2024. https://sbpbrasil.org/publications/index.php/rbp/article/view/217.