Pauliv, V.E. & Dias, E.V. & Sedor, F.A. & Weinschuetz, L.C. & 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), 227–237 DOI: 10.4072/rbp.2023.3.07