-54.78528, -28.234446: 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
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
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
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
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
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
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
Gymnogeophagus missioneiro   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 : 651-653 651-653
Hydrochus curvus   sp. nov.  Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 22-23 22-23
Hydrochus variabilis     Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 53 53