Pereira, Andreia Cavalcante, et al. “Pinnularia (Bacillariophyta, Pinnulariaceae) from the Upper and Middle Course of Negro River and Tributaries, Amazon, Brazil”. Boletim Do Museu Paraense Emílio Goeldi - Ciências Naturais, vol. 12, no. 1, Oct. 2017, pp. 49-74, https://doi.org/10.46357/bcnaturais.v12i1.405.