Pauliv, V.E. & Dias, E.V. & Sedor, F.A. (2012)
A new species of Sphenacanthid (Chondrichthyes, Elasmobranchii) from the Rio do Rasto Formation (Paraná Basin), southern Brazil. Revisita del Brasileiro de Paleontologia, 15(3) 243–250

Figueroa, R.T. & da Costa Machado, D.M. (2018)
The Paleozoic ichthyofauna of the Amazonas and Parnaíba basins, Brazil. Journal of South American Earth Sciences, 82, 122–132
DOI: 10.1016/j.jsames.2018.01.001