-55.5, -31.0: 10 Treatments

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Hisonotus ringueleti   sp. nov.  AQUINO, ADRIANA E., SCHAEFER, SCOTT A. & MIQUELARENA, AMALIA M., 2001, A New Species of Hisonotus (Siluriformes, Loricariidae) of the Upper Río Uruguay Basin, American Museum Novitates 3333, pp. 1-12 : 3-8 3-8
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
Gymnogeophagus mekinos   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 : 644-647 644-647
Tillandsia uruguayensis   sp. nov.  Rossado, Andrés J., Donadío, Sabina & Bonifacino, José M., 2018, Tillandsia uruguayensis (Tillandsioideae, Bromeliaceae), a new epilithic species from Uruguay, Phytotaxa 345 (2), pp. 133-142 : 134-141 134-141
Oxalis eriocarpa     Nuernberg-Silva, Anelise & Fiaschi, Pedro, 2021, Taxonomic revision and morphological delimitation of Oxalis sect. Ripariae (Oxalidaceae), Phytotaxa 529 (1), pp. 125-159 : 137-138 137-138
Ariadna mollis     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 33-37 33-37
Tullgrenella quadripunctata     Marta, Kimberly S., Bustamante, Abel A., Hagopián, Damián, Teixeira, Renato A., Brescovit, Antonio D., Valiati, Victor H. & Rodrigues, Everton N. L., 2024, Taxonomic revision of the jumping spider genus Tullgrenella Mello-Leitão, 1941 (Araneae: Salticidae: Freyina), Zootaxa 5411 (1), pp. 1-71 : 28-32 28-32
Tullgrenella musica     Marta, Kimberly S., Bustamante, Abel A., Hagopián, Damián, Teixeira, Renato A., Brescovit, Antonio D., Valiati, Victor H. & Rodrigues, Everton N. L., 2024, Taxonomic revision of the jumping spider genus Tullgrenella Mello-Leitão, 1941 (Araneae: Salticidae: Freyina), Zootaxa 5411 (1), pp. 1-71 : 21-22 21-22
Dilophus undetermined     Pacheco Da Silva, Vitor C., Schelesky-Prado, Daniel De C., Fitzgerald, Scott J., Serra, Wilson Sebastián, Scarabino, Fabrizio, Costa, Andrés, Hagopián, Damián & Martínez, María, 2025, Bibionidae (Diptera: Bibionomorpha) from Uruguay: updated inventory including first reports of four species, Zootaxa 5588 (1), pp. 129-146 : 138 138
Pseudonannolene curvata   sp. nov.  Iniesta, Luiz Felipe Moretti, Bouzan, Rodrigo Salvador & Brescovit, Antonio Domingos, 2023, A reassessment of the Neotropical genus Pseudonannolene Silvestri, 1895: cladistic analysis, biogeography, and taxonomic review (Spirostreptida: Pseudonannolenidae), European Journal of Taxonomy 867 (1), pp. 1-312 : 103-105 103-105