-54.966667, -28.45: 10 Treatments

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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
Hirtodrosophila crioula   sp. nov.  Junges, João, Robe, Lizandra Jaqueline & Gottschalk, Marco Silva, 2019, Four new Neotropical species in the Hirtodrosophila hirticornis species group (Diptera: Drosophilidae), Zootaxa 4567 (2), pp. 276-292 : 287-290 287-290
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
Aedokritus coffeatus     Pinho, Luiz Carlos, Dantas, Galileu P. S. & Hamada, Neusa, 2019, Some notes on taxonomy and distribution of Neotropical Aedokritus Roback and Axarus Roback (Diptera: Chironomidae: Chironominae), Zootaxa 4668 (4), pp. 535-542 : 538 538
Nilothauma anamariae   sp. nov.  Dantas, Galileu P. S. & Hamada, Neusa, 2017, Three new species of Nilothauma Kieffer (Diptera: Chironomidae) from Brazil, Zootaxa 4282 (2), pp. 350-360 : 352-354 352-354
Gymnotus inaequilabiatus     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 : 67-69 67-69
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
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