Pauliv, V.E., Dias, E.V., Sedor, F.A., Weinschütz, L.C. and Ribeiro, A.M. 2023. A new symmoriiform shark and other chondrichthyan teeth from the earliest Permian of southern Brazil. Revista Brasileira de Paleontologia. 26, 3 (Oct. 2023), 227–237. DOI:https://doi.org/10.4072/rbp.2023.3.07.