Pauliv, Victor Eduardo, Eliseu Vieira Dias, Fernando Antonio Sedor, Luiz Carlos Weinschütz, and Ana Maria Ribeiro. 2023. “A New Symmoriiform Shark and Other Chondrichthyan Teeth from the Earliest Permian of Southern Brazil”. Revista Brasileira De Paleontologia 26 (3):227–237. https://doi.org/10.4072/rbp.2023.3.07.