-51.566666, -26.166666: 10 Treatments

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Osorius laevigatulus     Irmler, Ulrich, 2010, The Neotropical species of the genus Osorius G - M, 1829 with remarks to the Neotropical Osoriid complex (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 60 (2), pp. 363-426: 392 392
Araneae     Faleiro, Bárbara T. & Santos, Adalberto J., 2019, Revision of the crab-spiders of the genus Runcinioides Mello-Leitão, 1929 (Araneae, Thomisidae), Zootaxa 4567 (1), pp. 25-46: 29-33 29-33
Rineloricaria maacki   new species  Ingenito, Leonardo F. S., Ghazzi, Miriam S., Duboc, Luiz F. & Abilhoa, Vinícius, 2008, Two new species of Rineloricaria (Siluriformes: Loricariidae) from the rio Iguaçu basin, southern Brazil, Neotropical Ichthyology 6 (3), pp. 355-355: 355--1 355--1
Araneae     Polotow, Daniele & Brescovit, Antonio D., 2019, Guasuctenus gen. nov., a new Neotropical spider genus of Ctenidae (Araneae), Zootaxa 4624 (4), pp. 539-550: 546-548 546-548
Passiflora coelestis   sp. nov.  Parteka, Letícia Maria, Mattos, Leticia De, Richardo, Jaiana, Fagundes, Bruna Saviatto & Silvério, Adriano, 2021, Passiflora coelestis, a new species of Passiflora section Dysosmia (Passifloraceae sensu stricto) from Southern Brazil, Phytotaxa 516 (2), pp. 140-158: 148-151 148-151
Callibaetis (Callibaetis) willineri     Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2017, Additions and corrections to the systematics of mayfly species assigned to the genus Callibaetis Eaton 1881 (Ephemeroptera: Baetidae) from South America, Zootaxa 4231 (4), pp. 500-534: 527 527
Ephemeroptera     Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2018, Contribution to the taxonomy of Paracloeode s Day 1955 (Ephemeroptera: Baetidae) from South America, Zootaxa 4403 (1), pp. 1-49: 19-25 19-25
Thaumasia velox     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64: 13-15 13-15
Euryopis nasuta   new species  Rodrigues, Everton Nei Lopes, Marta, Kimberly S. & Figueiredo, Cassiano P., 2021, Description of four new species of the spider genus Euryopis Menge, 1868, with new records from Brazil (Araneae, Theridiidae, Hadrotarsinae), Zootaxa 4966 (5), pp. 535-549: 539-541 539-541
Baccharis napaea   sp. nov.  Heiden, Gustavo & Pirani, José Rubens, 2012, Baccharis napaea (Asteraceae, Astereae): a new species of subgen. Tarchonanthoides sect. Coridifoliae from the subtropical highlands of southern Brazil, Phytotaxa 66 (1), pp. 49-54: 50-53 50-53