-53.501945, -28.208612: 10 Treatments

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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
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
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
Glossoscolex strobeli   sp. nov.  Dudas, Rafaela Tavares, Bartz, Marie Luise Carolina, Cunha, Luis & Brown, George Gardner, 2025, New species of Glossoscolex and Fimoscolex earthworms (Oligochaeta: Glossoscolecidae) from the Brazilian Atlantic Forest and Cerrado biomes, Zootaxa 5728 (1), pp. 79-106 : 92-94 92-94
Fimoscolex fridrichi   sp. nov.  Dudas, Rafaela Tavares, Bartz, Marie Luise Carolina, Cunha, Luis & Brown, George Gardner, 2025, New species of Glossoscolex and Fimoscolex earthworms (Oligochaeta: Glossoscolecidae) from the Brazilian Atlantic Forest and Cerrado biomes, Zootaxa 5728 (1), pp. 79-106 : 95-97 95-97
Eurycheilichthys limulus     Reis, Roberto E., 2017, Unexpectedly high diversity in a small basin: A taxonomic revision of Eurycheilichthys (Siluriformes: Loricariidae), with descriptions of seven new species, Neotropical Ichthyology 15 (1), No. e 160068, pp. 1-28 : 6-9 6-9
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
Hyalella terrasolis   sp. nov.  Limberger, Márcio, Castiglioni, Daniela Da Silva & Santos, Sandro, 2025, Hyalella terrasolis, a new epigean species of freshwater amphipod (Crustacea, Peracarida, Hyalellidae) from southern Brazil, Zootaxa 5609 (1), pp. 97-115 : 98-112 98-112
Hyalella georginae   sp. nov.  Morgana Tais Streck, Giovanna Monticelli Cardoso, Stella Gomes Rodrigues, Daniel Angelo Sganzerla Graichen & Daniela Da Silva Castiglioni, 2017, Two new species of Hyalella (Crustacea, Amphipoda, Hyalellidae) from state of Rio Grande do Sul, Southern Brazil, Zootaxa 4337 (2), pp. 263-278 : 264-269 264-269
Hyalella gauchensis   sp. nov.  Morgana Tais Streck, Giovanna Monticelli Cardoso, Stella Gomes Rodrigues, Daniel Angelo Sganzerla Graichen & Daniela Da Silva Castiglioni, 2017, Two new species of Hyalella (Crustacea, Amphipoda, Hyalellidae) from state of Rio Grande do Sul, Southern Brazil, Zootaxa 4337 (2), pp. 263-278 : 269-276 269-276