-52.926113, -26.660833: 10 Treatments

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Hoplias australis   sp. nov.  Oyakawa, Osvaldo T. & Mattox, George M. T., 2009, Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species, Neotropical Ichthyology 7 (2), pp. 117-140 : 119-122 119-122
Hisonotus iota   sp. nov.  Carvalho, Tiago P. & Reis, Roberto E., 2009, Four new species of Hisonotus (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin, Zootaxa 2113 (1), pp. 1-40 : 4-12 4-12
Crenicichla hadrostigma   sp. nov.  de Lucena, Carlos A. S., 2007, Two new species of the genus Crenicichla Heckel, 1840 from the upper rio Uruguay drainage (Perciformes: Cichlidae), Neotropical Ichthyology 5 (4), pp. 449-456 : 450-453 450-453
Neocordulia santacatarinensis   sp. nov.  Costa, J. M., Ravanello, C. T. & Souza-Franco, G. M., 2008, Description of a new species of Neocordulia Selys, 1882 (Odonata: Libellulidae, Corduliinae) from southern Brazil, Zootaxa 1704 (1), pp. 64-68 : 65-68 65-68
Heilipus draco     Sanz-Veiga, Priscila A., Leivas, Fernando W. T., Díaz-Grisales, Valentina, Anzaldo, Salvatore, Rosado-Neto, Germano H., Lampert, Silvana, Maggio, Daniela H., Corrêa, Alberto S. & Savaris, Marcoandre, 2024, Sympatric species of Heilipus Germar (Coleoptera: Curculionidae: Hylobiini) on fruits of Lauraceae: a new species from Brazil and redescription of Heilipus draco (Fabricius, 1801), Zootaxa 5463 (1), pp. 63-83 : 66-70 66-70
Pseudocanthon xanthurus     Nazaré-Silva, Everton E. & Silva, Fernando A. B., 2021, A taxonomic revision of the South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 5027 (1), pp. 61-86 : 67-75 67-75
Eustala taquara     Poeta, Maria Rita Muniz, 2014, The orb-weaving spider genus Eustala Simon, 1895 (Araneae, Araneidae): eight new species, redescriptions, and new records, Zootaxa 3872 (5), pp. 440-466 : 459-461 459-461
Eustala guarani   sp. nov.  Poeta, Maria Rita Muniz, 2014, The orb-weaving spider genus Eustala Simon, 1895 (Araneae, Araneidae): eight new species, redescriptions, and new records, Zootaxa 3872 (5), pp. 440-466 : 442-443 442-443
Eustala minuscula     Poeta, Maria Rita Muniz, 2014, The orb-weaving spider genus Eustala Simon, 1895 (Araneae, Araneidae): eight new species, redescriptions, and new records, Zootaxa 3872 (5), pp. 440-466 : 458-459 458-459
Ladeaschistus borgesi   sp. nov.  Cioato, Alana, Bianchi, Filipe Michels, Eger, Joseph & Grazia, Jocelia, 2015, New species of Euschistus (Euschistus) from Jamaica, Euschistus (Mitripus) and Ladeaschistus from southern South America (Hemiptera: Heteroptera: Pentatomidae: Pentatominae), Zootaxa 4048 (4), pp. 565-574 : 570-573 570-573