-51.890003, -28.845835: 10 Treatments

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Ariadna crassipalpa     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 29-33 29-33
Astyanax bagual   sp. nov.  Bertaco, Vinícius A. & Vigo, Anelise C., 2015, A new species of Astyanax Baird & Girard (Ostariophysi: Characidae) from the rio Taquari-Antas basin, southern Brazil, Neotropical Ichthyology (Neotrop. Ichthyol.) 13 (2), pp. 265-272 : 266-269 266-269
Hisonotus carreiro   sp. nov.  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 : 27-30 27-30
Australoheros mboapari   sp. nov.  Santos De Lucena, Carlos A., Kullander, Sven, Norén, Michael & Calegari, Bárbara Borges, 2023, Healing nomenclature: making the names Australoheros mboapari and Australoheros ricani available (Teleostei: Cichlidae), Zootaxa 5306 (4), pp. 497-500 : 498 498
Diapoma thauma   sp. nov.  Menezes, Naércio A. & Weitzman, Stanley H., 2011, A Systematic Review Of Diapoma (Teleostei: Characiformes: Characidae: Stevardiinae: Diapomini) With Descriptions Of Two New Species From Southern Brazil, Papéis Avulsos de Zoologia 51 (5), pp. 59-82 : 67-73 67-73
Astyanax     Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 93-111 93-111
Eurycheilichthys vacariensis   sp. nov.  Reis, Roberto E., 2017, Unexpectedly high diversity in a small basin: A taxonomic revision of Eurycheilichthys (Siluriformes: Loricariidae), with descriptions of seven new species, Neotropical Ichthyology 15 (1), No. e 160068, pp. 1-28 : 24-26 24-26
Guasuctenus longipes   comb. nov.  Polotow, Daniele & Brescovit, Antonio D., 2019, Guasuctenus gen. nov., a new Neotropical spider genus of Ctenidae (Araneae), Zootaxa 4624 (4), pp. 539-550 : 543-545 543-545
Epicadus rubripes     Machado, Miguel, Teixeira, Renato Augusto & Lise, Arno Antonio, 2018, There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae), Zootaxa 4382 (3), pp. 501-530 : 516 516
Mahanarva (Ipiranga) integra     Meneghetti, Jéssica, Biganzoli-Rangel, Alejandro Jose, Carvalho, Gervásio Silva & Paladini, Andressa, 2025, Taxonomic review, morphometry, and phylogenetic analysis of Mahanarva (Ipiranga) Fennah, 1968 (Hemiptera: Auchenorrhyncha: Cercopidae), Arthropod Systematics & Phylogeny 83, pp. 45-73 : 45-73 45-73