-55.14222, -8.32638: 10 Treatments

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Bulboctenus itunaitata   sp. nov.  Pereira, Maria Paula, Labarque, Facundo & Polotow, Daniele, 2020, Description of a new Neotropical spider genus in the family Ctenidae Keyserling 1877 (Araneae: Lycosoidea) from the Brazilian Amazon rainforest, Zootaxa 4890 (3), pp. 375-396 : 383-387 383-387
Microschemobrycon cryptogrammus   sp. nov.  Ohara, Willian M., Jerep, Fernado C. & Cavallaro, Marcel R., 2019, A new species of Microschemobrycon (Characiformes: Characidae) from Rio Xingu basin, Brazil, Zootaxa 4576 (2), pp. 326-336 : 327-332 327-332
Falconina gracilis     García, Fabián & Bonaldo, Alexandre B., 2023, Taxonomic revision of the soldier spider genus Falconina Brignoli, 1985 (Araneae: Corinnidae: Corinninae), Zootaxa 5343 (3), pp. 201-242 : 205-220 205-220
Hassar gabiru   sp. nov.  Birindelli, José L. O., Fayal, Danielle F. & Wosiacki, Wolmar B., 2011, Taxonomic revision of thorny catfish genus Hassar (Siluriformes: Doradidae), Neotropical Ichthyology 9 (3), pp. 515-542 : 520-525 520-525
Bryconadenos weitzmani   sp. nov.  Menezes, Naércio A., Netto-Ferreira, André Luiz & Ferreira, Katiane M., 2009, A new species of Bryconadenos (Characiformes: Characidae) from the rio Curuá, rio Xingu drainage, Brazil, Neotropical Ichthyology 7 (2), pp. 147-152 : 148-150 148-150
Anostomidae     Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 44-63 44-63
Harttia rondoni   sp. nov.  Oyakawa, Osvaldo T., Fichberg, Ilana & Py-Daniel, Lucia Rapp, 2018, Three new species of Harttia (Loricariidae: Loricariinae) from Serra do Cachimbo, Rio Xingu basin, Pará, Northern Brazil, Zootaxa 4387 (1), pp. 75-90 : 76-78 76-78
Baryancistrus xanthellus   sp. nov.  Py-Daniel, Lúcia Rapp, Zuanon, Jansen & Oliveira, Renildo Ribeiro de, 2011, Two new ornamental loricariid catfishes of Baryancistrus from rio Xingu drainage (Siluriformes: Hypostominae), Neotropical Ichthyology 9 (2), pp. 241-252 : 242-247 242-247
Leporinus torrenticola   sp. nov.  Birindelli, José L. O., Teixeira, Tulio F. & Britski, Heraldo A., 2016, Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil, Zootaxa 4178 (1), pp. 97-115 : 106-110 106-110
Paracanthopoma irritans   sp. nov.  Pinna, Mário de & Dagosta, Fernando Cesar Paiva, 2022, A taxonomic review of the vampire catfish genus Paracanthopoma Giltay, 1935 (Siluriformes, Trichomycteridae), with descriptions of nine new species and a revised diagnosis of the genus, Papéis Avulsos de Zoologia 62, pp. 1-90 : 37-42 37-42