Fonseca, Vera Maria Medina da. “Paleobiogeographic Observations Based on Devonian Brachiopods (Delthyridoidea, Strophodontoidea and Chonetoidea) of the Amazon and Parnaíba Basins”. Boletim Do Museu Paraense Emílio Goeldi - Ciências Naturais, vol. 10, no. 1, Apr. 2015, pp. 91-101, https://doi.org/10.46357/bcnaturais.v10i1.496.