Távora, V. de A. et al. 2017. Systematic Review of the Flabellidae Family (Scleractinia) of the Pirabas Formation (Lower Miocene), Pará State, Brazil. Anuário do Instituto de Geociências. 38, 1 (Feb. 2017), 128–136. DOI:https://doi.org/10.11137/2015_1_128_136.