Bergue, Cristianini Trescastro, and João Carlos Coimbra. “The Faunal and Geochemical Approaches in the Calcareous Microfossils and Their Applications to the Palaeoceanography and Palaeoclimatology”. Boletim do Museu Paraense Emílio Goeldi - Ciências Naturais 3, no. 2 (August 25, 2008): 115–126. Accessed October 5, 2025. https://boletimcn.museu-goeldi.br/bcnaturais/article/view/680.