“A WIDESPREAD, NEARLY MONOSPECIFIC SILICIFIED COCCOIDAL MICROBIOTA FROM THE PERMIAN OF BRAZIL (ASSISTÊNCIA FORMATION, IRATI SUBGROUP, PARANÁ BASIN)”. Ameghiniana, vol. 57, no. 4, Aug. 2020, pp. 302–326, https://doi.org/10.5710/AMGH.21.04.2020.3331.