-57.866665, -30.55: 10 Treatments

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Mortoniella uruguaiensis   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2011, Revision of the austral South American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae) 2851, Zootaxa 2851 (1), pp. 1-75 : 37-39 37-39
Serrapinnus calliurus     Serra, Wilson S., Scarabino, Fabrizio & Paullier, Sofía, 2018, First record of Serrapinnus kriegi (Schindler, 1937) and confirmed presence of S. calliurus (Boulenger, 1900) for Uruguay (Characiformes: Characidae), Ichthyological Contributions of PecesCriollos 59, pp. 1-6 : 2-4 2-4
Serrapinnus kriegi     Serra, Wilson S., Scarabino, Fabrizio & Paullier, Sofía, 2018, First record of Serrapinnus kriegi (Schindler, 1937) and confirmed presence of S. calliurus (Boulenger, 1900) for Uruguay (Characiformes: Characidae), Ichthyological Contributions of PecesCriollos 59, pp. 1-6 : 4-5 4-5
Ceratopogon aeschnosuga     Spinelli, Gustavo R., Ronderos, María M., Ayala, Mahia M. & Díaz, Florentina, 2023, Catalog of the biting midges of Argentina (Diptera: Ceratopogonidae), Zootaxa 5261 (1), pp. 1-83 : 29-41 29-41
Gymnotus cuia   sp. nov.  Craig, Jack M., Malabarba, Luiz R., Crampton, William G. R. & Albert, James S., 2018, Revision of Banded Knifefishes of the Gymnotus carapo and G. tigre clades (Gymnotidae Gymnotiformes) from the Southern Neotropics, Zootaxa 4379 (1), pp. 47-73 : 55-59 55-59
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
Neoseiulus argentinus     LIU, DONG, YI, TIAN-CI, XU, YUN & ZHANG, ZHI-QIANG, 2013, Hotspots of new species discovery: new mite species described during 2007 to 2012, Zootaxa 3663 (1), pp. 1-102 : 33 33
Actinopus     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. 1-256 : 255 255
Actinopus fernandezi   sp. nov.  Duniesky, Rios-Tamayo, 2019, Four new species of Actinopus (Mygalomorphae: Actinopodidae) from Uruguay, Zootaxa 4624 (4), pp. 523-538 : 527-529 527-529
Odontesthes perugiae     Wingert, Juliana M., Ferrer, Juliano & Malabarba, Luiz R., 2017, Review of the Odontesthes perugiae species group from Río de La Plata drainage, with the description of a new species (Atherinomorpha: Atherinopsidae), Zootaxa 4250 (6), pp. 501-528 : 503-514 503-514