-54.967224, -10.220555: 10 Treatments

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Leporinus villasboasorum   sp. nov.  Burns, Michael D., Chatfield, Marcus, Birindelli, José L. O. & Sidlauskas, Brian L., 2017, Systematic assessment of the Leporinus desmotes species complex, with a description of two new species, Neotropical Ichthyology 15 (2), No. e 160166, pp. 1-24 : 8-13 8-13
Tetragonopterus juruena   sp. nov.  Silva, Gabriel S. C., Melo, Bruno F., Oliveira, Claudio & Benine, Ricardo C., 2016, Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species, Zootaxa 4200 (1), pp. 1-46 : 40-43 40-43
Rhinopetitia melanohumeralis   sp. nov.  Menezes, Naércio A. & Netto-Ferreira, Andre L., 2019, A systematic review of Rhinopetitia Géry (Teleostei, Characiformes, Characidae) with descriptions of four new species and redescription of R. myersi Géry, Zootaxa 4700 (1), pp. 59-86 : 80-84 80-84
Caenotropus schizodon   new species  Alexandre Scharcansky & Carlos Alberto Santos de Lucena, 2007, Caenotropus schizodon, a new chilodontid fish from the Rio Tapajos drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)., Zootaxa 1557, pp. 59-66 : 60-63 60-63
Archolaemus luciae   sp. nov.  Vari, Richard P., Santana, Carlos David De & Wosiacki, Wolmar B., 2012, South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles, Zoological Journal of the Linnean Society 165 (3), pp. 670-699 : 689-692 689-692
Merostachys cachimboensis   sp. nov.  Lopes-Neto, Raimundo Balieiro & Viana, Pedro Lage, 2022, Flora of the Serra do Cachimbo (Eastern Amazon, Brazil): Bambusoideae (Poaceae), including the description of two new species, Phytotaxa 550 (2), pp. 99-129 : 112-114 112-114
Cisandina castanya   sp. nov.  Nakahara, Shinichi, Rodríguez-Melgarejo, Maryzender, Kleckner, Kaylin, Corahua-Espinoza, Thalia, Tejeira, Rafael, Espeland, Marianne, Casagrande, Mirna M., Barbosa, Eduardo P., See, Joseph, Gallice, Geoffrey & Lamas, Gerardo, 2022, Systematic Revision of a New Butterfly Genus, Cisandina Nakahara & Espeland, n. gen., with Descriptions of Three New Taxa (Lepidoptera: Nymphalidae: Satyrinae), Insect Systematics and Diversity 6 (1), pp. 1-30 : 23-24 23-24
Cisandina castanya   sp. nov.  Nakahara, Shinichi, Rodríguez-Melgarejo, Maryzender, Kleckner, Kaylin, Corahua-Espinoza, Thalia, Tejeira, Rafael, Espeland, Marianne, Casagrande, Mirna M., Barbosa, Eduardo P., See, Joseph, Gallice, Geoffrey & Lamas, Gerardo, 2022, Systematic Revision of a New Butterfly Genus, Cisandina Nakahara & Espeland, n. gen., with Descriptions of Three New Taxa (Lepidoptera: Nymphalidae: Satyrinae), Insect Systematics and Diversity 6 (1), pp. 1-30 : 23-24 23-24
Ancistrus luzia   sp. nov.  Neuhaus, Emanuel B., Britto, Marcelo R., Birindelli, José Luís O. & Sousa, Leandro M., 2022, A new species of Ancistrus (Siluriformes: Loricariidae) from Tapajós and Xingu basins, Brazil, Neotropical Ichthyology (e 210129) 20 (1), pp. 1-21 : 3-13 3-13
Platycorypha rostrata   sp. nov.  Burckhardt, Daniel & Queiroz, Dalva L., 2020, Neotropical jumping plant-lice (Hemiptera, Psylloidea) associated with plants of the tribe Detarieae (Leguminosae, Detarioideae), Zootaxa 4733 (1), pp. 1-73 : 62-64 62-64