-54.924446, -28.13611: 11 Treatments

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Gymnogeophagus constellatus   sp. nov.  Malabarba, Luiz R., Malabarba, Maria Claudia & Reis, Roberto E., 2015, Descriptions of five new species of the Neotropical cichlid genus Gymnogeophagus Miranda Ribeiro, 1918 (Teleostei: Cichliformes) from the rio Uruguay drainage, Neotropical Ichthyology (Neotrop. Ichthyol.) 13 (4), pp. 637-662 : 648-651 648-651
Hisonotus charrua     Carvalho, Tiago Pinto & Reis, Roberto E., 2011, Taxonomic review of Hisonotus Eigenmann & Eigenmann (Siluriformes: Loricariidae: Hypoptopomatinae) from the laguna dos Patos system, southern Brazil, Neotropical Ichthyology 9 (1), pp. 1-48 : 21-22 21-22
Microglanis malabarbai   sp. nov.  Bertaco, Vinicius A. & Cardoso, Alexandre R., 2005, A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the rio Uruguay drainage, Brazil, Neotropical Ichthyology 3 (1), pp. 61-67 : 62-63 62-63
Scleronema milonga   sp. nov.  Ferrer, Juliano & Malabarba, Luiz R., 2020, Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grasslands, Neotropical Ichthyology (e 190081) 18 (2), pp. 1-81 : 34-40 34-40
Benthana taeniata     Costa, Silvana Leal Nunes, Campos-Filho, Ivanklin Soares & Araujo, Paula Beatriz, 2014, New species and new records of Benthana Budde-Lund, 1908 (Isopoda: Oniscidea: Philosciidae) from southern Brazil, Papéis Avulsos de Zoologia (São Paulo) 54 (13), pp. 169-176 : 175 175
Pareiorhaphis pumila   sp. nov.  Pereira, Edson H. L. & Reis, Roberto E., 2022, A new dwarf armored catfish Pareiorhaphis (Loricariidae: Hypoptopomatinae) from the Uruguai River basin, Southern Brazil, Neotropical Ichthyology (e 220049) 20 (3), pp. 1-14 : 3-12 3-12
Microglanis maculatus   sp. nov.  Shibatta, Oscar Akio, 2014, A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin, Goiás State, Central Brazil, Neotropical Ichthyology 12 (1), pp. 81-87 : 82-86 82-86
Phaeomyias murina     Mauricio da Silveira Pereira, 2017, First record of the Mouse-colored Tyrannulet, Phaeomyias murina (Spix, 1825) (Aves, Tyrannidae), for Rio Grande do Sul, Brazil, Check List 13 (5), pp. 525-527 : 525-527 525-527
Oxyopes salticus     Santos, Adalberto J., 2017, The jumping lynx spider Oxyopes salticus Hentz, 1845 and its Neotropical relatives (Araneae: Oxyopidae), Zootaxa 4216 (5), pp. 457-481 : 459-465 459-465
Epicadus trituberculatus     Machado, Miguel, Teixeira, Renato Augusto & Lise, Arno Antonio, 2018, There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae), Zootaxa 4382 (3), pp. 501-530 : 522-529 522-529
Patrera procera     Oliveira, Luiz Fernando M. & Brescovit, Antonio D., 2021, The spider genus Patrera Simon (Araneae: Dionycha, Anyphaeninae) in the Atlantic Forest biome, with the description of one new species from Brazil, Zootaxa 4991 (2), pp. 201-246 : 203-210 203-210