-55.08972, -8.318611: 10 Treatments

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Hassar gabiru   new species  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   new species  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
Siluriformes   new species  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   new species  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   new species  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
Actinopus caxiuana   sp. nov.  Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020, Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae), Megataxa 2 (1), pp. 1-2: 108-111 108-111
Araneae   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
Characiformes   new species  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
Architis altamira   sp. nov.  Santos, Adalberto J., 2007, A revision of the Neotropical nursery-web spider genus Architis (Araneae: Pisauridae), Zootaxa 1578 (1), pp. 1-40: 20 20
Epicratinus pugionifer     Gonçalves, Ricardo Antonio & Brescovit, Antonio Domingos, 2020, Taxonomic review and cladistic analysis of Neotropical spider genus Epicratinus Jocqué & Baert, 2005 (Araneae: Zodariidae) with description of eleven new species, Zootaxa 4886 (1), pp. 1-77: 52 52