-53.7772, -27.8508: 10 Treatments

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Oxyopes salticus     Santos, Adalberto J., 2017, The jumping lynx spider Oxyopes salticus Hentz, 1845 and its Neotropical relatives (Araneae: Oxyopidae), Zootaxa 4216 (5), pp. 457-481: 459-465 459-465
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
Axarus intervales     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: 541 541
Paracloeodes ibicui     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
Hyalella gauchensis   n. sp.  Morgana Tais Streck, Giovanna Monticelli Cardoso, Stella Gomes Rodrigues, Daniel Angelo Sganzerla Graichen & Daniela Da Silva Ca, 2017, Two new species of Hyalella (Crustacea, Amphipoda, Hyalellidae) from state of Rio Grande do Sul, Southern Brazil, Zootaxa 4337 (2), pp. 263-278: 269-276 269-276
Hyalella georginae   n. sp.  Morgana Tais Streck, Giovanna Monticelli Cardoso, Stella Gomes Rodrigues, Daniel Angelo Sganzerla Graichen & Daniela Da Silva Ca, 2017, Two new species of Hyalella (Crustacea, Amphipoda, Hyalellidae) from state of Rio Grande do Sul, Southern Brazil, Zootaxa 4337 (2), pp. 263-278: 264-269 264-269
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
Callibaetis (Abaetetuba) fasciatus     Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2017, Four new species of Callibaetis Eaton (Ephemeroptera: Baetidae), nymphal description of Callibaetis (Abaetetuba) fasciatus (Pictet) and keys for South American species of Callibaetis, Zootaxa 4250 (3), pp. 229-261: 235-240 235-240
Zischkaia pacarus     Nakahara, Shinichi, Zacca, Thamara, Dias, Fernando M. S., Dolibaina, Diego R., Xiao, Lei, Espeland, Marianne, Casagrande, Mirna , 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
Runcinioides litteratus     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: 37-40 37-40