Richter, M. & Bosetti, E.P. & Horodyski, R.S. (2017)
Early Devonian (Late Emsian) shark fin remains (Chondrichthyes) from the Paraná Basin, southern Brazil. Anais da Academia Brasileira de Ciências, 89(1), 103–118
DOI: 10.1590/0001-3765201720160458