-52.016666, -25.666666: 10 Treatments

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Craspedisia cornuta     Brescovit, Antonio D., Vasconcellos-Neto, João & Villanueva-Bonilla, German Antonio, 2020, Notes on the “ Pinocchio-cobweb-spider ” Craspedisia cornuta (Keyserling, 1891) from southeastern of Brazil (Theridiidae, Pholcommatinae), Zootaxa 4750 (2), pp. 211-224: 212-221 212-221
Patrera opertanea   new combination  Oliveira, Luiz Fernando M. & Brescovit, Antonio D., 2021, The spider genus Patrera Simon (Araneae: Dionycha, Anyphaeninae) in the Atlantic Forest biome, with the description of one new species from Brazil, Zootaxa 4991 (2), pp. 201-246: 227-230 227-230
Astyanax jordanensis   new species  Vera Alcaraz, Héctor S., Pavanelli, Carla S. & Bertaco, Vinicius A., 2009, Astyanax jordanensis (Ostariophysi: Characidae), a new species from the rio Iguaçu basin, Paraná, Brazil, Neotropical Ichthyology 7 (2), pp. 185-190: 186-188 186-188
Zischkaia pacarus     Nakahara, Shinichi, Zacca, Thamara, Dias, Fernando M. S., Dolibaina, Diego R., Xiao, Lei, Espeland, Marianne, Casagrande, Mirna M., Mielke, Olaf H. H., Lamas, Gerardo, Huertas, Blanca, Kleckner, Kaylin & Willmott, Keith R., 2019, Revision of the poorly known Neotropical butterfly genus Zischkaia Forster, 1964 (Lepidoptera, Nymphalidae, Satyrinae), with descriptions of nine new species, European Journal of Taxonomy 551, pp. 1-67: 38-44 38-44
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
Runcinioides argenteus     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
Characidium travassosi   new species  Melo, Marcelo R. S., Buckup, Paulo A. & Oyakawa, Osvaldo T., 2016, A new species of Characidium Reinhardt, 1867 (Characiformes: Crenuchidae) endemic to the Atlantic Forest in Paraná State, southern Brazil, Neotropical Ichthyology (Neotrop. Ichthyol.) 14 (3), No. e 160014, pp. 1-11: 2-4 2-4
Eupalaestrus crassimetatarsis   sp. nov.  Malta Borges, Leandro, Paladini, Andressa & Bertani, Rogério, 2021, Two new species of Eupalaestrus Pocock, 1901 (Araneae: Theraphosidae) from Southern Brazil and Northeastern Argentina, Journal of Natural History 55 (13 - 14), pp. 889-908: 892-897 892-897
Epicadinus villosus     Prado, André Wanderley Do, Baptista, Renner Luiz Cerqueira & Machado, Miguel, 2018, Taxonomic review of Epicadinus Simon, 1895 (Araneae: Thomisidae), Zootaxa 4459 (2), pp. 201-234: 223-229 223-229
Guasuctenus vittatissimus     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