NASCIMENTO, S. (2009) “Biochronostratigraphy (conodonts and palynology) from a selected strata of the Itaituba Formation (Pennsylvanian of the Amazonas Basin) at Itaituba, Pará State, Brazil”, Pesquisas em Geociências, 36(1), p. 37–47. doi: 10.22456/1807-9806.17873.