-51.566387, -3.7269444: 10 Treatments

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Leporinus multimaculatus   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 : 98-105 98-105
Hemiodus tucupi   sp. nov.  Silva, Ivanilza Da Silveira, Nogueira, Acácio Freitas, Netto-Ferreira, Andre Luiz, Akama, Alberto & Dutra, Guilherme Moreira, 2020, A new species of Hemiodus Müller (Characiformes: Hemiodontidae) from the lower Rio Xingu, Brazil, Zootaxa 4751 (1), pp. 172-180 : 173-176 173-176
Crenicichla anamiri   sp. nov.  Ito, Priscila Madoka M. & Rapp Py-Daniel, Lúcia H., 2015, A small new species of Crenicichla Heckel, 1840 from middle rio Xingu, Brazil (Teleostei: Cichlidae), Neotropical Ichthyology (Neotrop. Ichthyol.) 13 (3), pp. 471-478 : 472-477 472-477
Parancistrus nudiventris   sp. nov.  Rapp Py-Daniel, Lúcia H. & Zuanon, Jansen, 2005, Description of a new species of Parancistrus (Siluriformes: Loricariidae) from the rio Xingu, Brazil, Neotropical Ichthyology 3 (4), pp. 571-577 : 573-576 573-576
Spectracanthicus zuanoni   sp. nov.  Chamon, Carine C. & Rapp Py-Daniel, Lúcia H., 2014, Taxonomic revision of Spectracanthicus Nijssen & Isbrücker (Loricariidae: Hypostominae: Ancistrini), with description of three new species, Neotropical Ichthyology 12 (1), pp. 1-25 : 19-22 19-22
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
Paraphasma conspersum     Chiquetto-Machado, Pedro I., Morales, Adriana C. & Cancello, Eliana M., 2022, Taxonomic revision of Paraphasma Redtenbacher, 1906 (Phasmatodea, Pseudophasmatidae) based on phallic and external morphology, Zootaxa 5122 (1), pp. 1-80 : 11-16 11-16
Scybalocanthon pygidialis     Silva, Fernando A. B. & Valois, Marcely, 2019, A taxonomic revision of the genus Scybalocanthon Martínez, 1948 (Coleoptera Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 4629 (3), pp. 301-341 : 331-333 331-333
Chiasmocleis avilapiresae   sp. nov.  Peloso, Pedro Luiz Vieira & Sturaro, Marcelo José, 2008, A new species of narrow-mouthed frog of the genus Chiasmocleis Méhelÿ 1904 (Anura, Microhylidae) from the Amazonian rainforest of Brazil, Zootaxa 1947, pp. 39-52 : 40-47 40-47
Anostomoides nattereri     Assega, Fernando Massayuki & Birindelli, José Luís Olivan, 2019, Taxonomic revision of the genus Anostomoides (Characiformes: Anostomidae), Zootaxa 4646 (1), pp. 124-144 : 136-139 136-139