-50.31416, -6.26361: 10 Treatments

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Martarega uruguayensis     Barbosa, Julianna Freires, Ribeiro, José Ricardo Inacio & Nessimian, Jorge Luiz, 2012, A synopsis of Martarega White, 1879 (Insecta: Heteroptera: Notonectidae) occurring in the Brazilian Amazonia, with descriptions of three new species, Journal of Natural History 46 (17 - 18), pp. 1025-1057 : 1047-1053 1047-1053
Mitracarpus carajasensis   sp. nov.  Cabral, Elsa L., Sobrado, Sandra V. & Souza, Elnatan Bezerra de, 2013, Three new species of Mitracarpus Zucc. (Rubiaceae) from Brazil, Candollea 68 (1), pp. 139-146 : 140 140
Pocadius bicolor   sp. nov.  Cline, Andrew R., 2008, Revision of the sap beetle genus Pocadius Erichson, 1843 (Coleoptera: Nitidulidae: Nitidulinae, Zootaxa 1799 (1), pp. 1-120 : 40-41 40-41
Dendrocephalus xikrini   sp. nov.  Rabet, Nicolas, Lacau, Sébastien & Bozelli, Reinaldo L., 2018, Richness of Dendrocephalus (Branchiopoda, Anostraca) in Brazil with the description of two new species, European Journal of Taxonomy 478, pp. 1-20 : 7-12 7-12
Austrotinodes paraguayensis     Leandro Lourenço Dumas & Wagner Rafael M. de Souza, 2017, On Brazilian Austrotinodes Schmid, 1955 (Insecta, Trichoptera, Ecnomidae): new species, new distributional records and an updated checklist, European Journal of Taxonomy 297, pp. 1-40 : 36 36
Croton carajasensis   sp. nov.  Sodré, Rodolfo Carneiro & Secco, Ricardo De S., 2023, Croton carajasensis, a new species from Serra dos Carajás, Pará, Brazilian Amazon, Phytotaxa 630 (2), pp. 133-141 : 134-138 134-138
Costatrichia nelsonferreirai     Santos, Allan Paulo Moreira, 2020, A review of the Neotropical microcaddisfly genus Acostatrichia Mosely, 1939 with description of a new species from Brazil (Trichoptera: Hydroptilidae: Leucotrichiinae), Zootaxa 4755 (2), pp. 201-230 : 227 227
Tectaria heracleifolia     Almeida, Thais Elias & Salino, Alexandre, 2015, Thirteen new records of ferns from Brazil, Biodiversity Data Journal 3, pp. 4421-4421 : 4421 4421
Tectaria heracleifolia     Almeida, Thais Elias & Salino, Alexandre, 2015, Thirteen new records of ferns from Brazil, Biodiversity Data Journal 3, pp. 4421-4421 : 4421 4421
Speocera piquira   sp. nov.  Brescovit, Antonio Domingos, Zampaulo, Robson De Almeida, Cizauskas, Igor & Pedroso, Leandro, 2022, Three new subterranean species of the genus Speocera (Araneae, Ochyroceratidae) from caves of the Carajás area in the state of Pará, Brazil, Zootaxa 5169 (2), pp. 101-135 : 122-129 122-129