-55.592777, -2.7302778: 10 Treatments

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Moenkhausia melogramma     Soares, Isabel M., Ota, Rafaela P., Lima, Flávio C. T. & Benine, Ricardo C., 2020, Redescription of Moenkhausia melogramma (Characiformes: Characidae), a poorly known tetra from the western Amazon basin, Neotropical Ichthyology 18 (3), pp. 1-17 : 3-10 3-10
Cyphocharax cramptoni   sp. nov.  Bortolo, Gustavo Ceolin & Lima, Flávio César Thadeo de, 2020, A new species of Cyphocharax (Characiformes: Curimatidae) with a horizontal color pattern from the rio Tapajós drainage, Amazon basin, Brazil, Neotropical Ichthyology 18 (2), pp. 1-10 : 2-6 2-6
Brachyhypopomus walteri     Crampton, William G. R., Santana, Carlos D. de, Waddell, Joseph C. & Lovejoy, Nathan R., 2016, A taxonomic revision of the Neotropical electric fish genus Brachyhypopomus (Ostariophysi: Gymnotiformes: Hypopomidae), with descriptions of 15 new species, Neotropical Ichthyology (e 150146) 14 (4), pp. 639-790 : 775-779 775-779
Marilia siolii     Camargos, Lucas M., Pes, Ana Maria & Hamada, Neusa, 2020, New Neotropical species of Marilia Müller (Trichoptera: Odontoceridae), Zootaxa 4853 (1), pp. 1-41 : 34-39 34-39
Priocharax conwayi   sp. nov.  Mattox, George M. T., Lima, Flávio C. T., Britz, Ralf, Souza, Camila S. & Oliveira, Claudio, 2024, Two new miniature species of the fish genus Priocharax from the Rio Tapajós and Amazonas drainages, Pará, Brazil (Teleostei: Characiformes: Characidae), Vertebrate Zoology 74, pp. 533-550 : 533-550 533-550
Marmosops (Sciophanes) marina   sp. nov.  Ferreira, Claudilívia, Oliveira, Ana Cristina Mendes De, Lima-Silva, Luan Gabriel & Rossi, Rogério Vieira, 2020, Taxonomic review of the slender mouse opossums of the “ Parvidens ” group from Brazil (Didelphimorphia: Didelphidae: Marmosops), with description of a new species, Zootaxa 4890 (2), pp. 201-233 : 208-221 208-221
Oligoxystre diamantinensis   sp. nov.  Bertani, Rogerio, Santos, Thiago & Righi, Alexandre, 2009, A new species of Oligoxystre Vellard 1924 (Araneae, Theraphosidae) from Brazil, ZooKeys 5 (5), pp. 41-51 : 44-50 44-50
Farlowella wuyjugu   sp. nov.  Dopazo, Manuela, Wosiacki, Wolmar B. & Britto, Marcelo R., 2023, New species of Farlowella (Siluriformes: Loricariidae) from the rio Tapajós basin, Pará, Brazil, Neotropical Ichthyology (e 220097) 21 (1), pp. 1-17 : 4-11 4-11
Hemigrammus arua   sp. nov.  Lima, Flávio C. T., Wosiacki, Wolmar B. & Ramos, Cristiane S., 2009, Hemigrammus arua, a new species of characid (Characiformes: Characidae) from the lower Amazon, Brazil, Neotropical Ichthyology 7 (2), pp. 153-160 : 154-158 154-158
Microcharacidium bombioides   sp. nov.  Vieira, L. S. & Netto-Ferreira, A. L., 2021, A new species of Microcharacidium (Characiformes: Crenuchidae) from the Central Amazon, Brazil, Can. J. Zool 99, pp. 57-61 : 58-60 58-60