-51.116665, -20.25: 10 Treatments

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Rhyacoglanis paranensis   sp. nov.  Shibatta, Oscar Akio & Vari, Richard P., 2017, A new genus of Neotropical rheophilic catfishes, with four new species (Teleostei: Siluriformes: Pseudopimelodidae), Neotropical Ichthyology 15 (2), No. e 160132, pp. 1-30 : 11-14 11-14
Centromochlus britskii   sp. nov.  Sarmento-Soares, Luisa Maria & Birindelli, José Luís Olivan, 2015, A new species of the catfish genus Centromochlus (Siluriformes: Auchenipteridae: Centromochlinae) from the upper rio Paraná basin, Brazil, Neotropical Ichthyology (Neotrop. Ichthyol.) 13 (1), pp. 77-86 : 79-83 79-83
Hypothenemus olzenoi   sp. nov.  Atkinson, Thomas H. & Flechtmann, Carlos A. H., 2021, New species, new records and synonymy of Brazilian species of Hypothenemus Westwood, 1834 (Coleoptera: Curculionidae: Scolytinae), Insecta Mundi 2021 (846), pp. 1-33 : 22-31 22-31
Brycon orbignyanus     Lima, Flávio C. T., 2017, A revision of the cis-andean species of the genus Brycon Müller & Troschel (Characiformes: Characidae), Zootaxa 4222 (1), pp. 1-189 : 90-98 90-98
Apteronotus acidops     Ferraris, Carl J., Jr, Santana, Carlos David de & Vari, Richard P., 2017, Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types, Neotropical Ichthyology 15 (1), No. e 160067, pp. 1-8 : 1-8 1-8
Tembeassu marauna     Ferraris, Carl J., Jr, Santana, Carlos David de & Vari, Richard P., 2017, Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types, Neotropical Ichthyology 15 (1), No. e 160067, pp. 1-8 : 1-8 1-8
Sternarchorhynchus     Santana, Carlos David De & Vari, Richard P., 2010, Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies, Zoological Journal of the Linnean Society 159 (1), pp. 223-371 : 277-284 277-284
Iheringichthys syi   sp. nov.  Azpelicueta, María de las Mercedes & Britski, Heraldo A., 2012, Iheringichthys syi (Siluriformes: Pimelodidae), a new pimelodid species from upper Paraná basin, Brazil, Neotropical Ichthyology 10 (1), pp. 45-52 : 46-49 46-49
Canthidium (Neocanthidium) kelleri     Carvalho De Santana, Edrielly C., Pacheco, Thaynara L. & Vaz-De, Fernando Z., 2019, Taxonomic revision of the Canthidium Erichson, 1847 species of the gigas group (Coleoptera, Scarabaeidae, Scarabaeinae), European Journal of Taxonomy 530, pp. 1-24 : 9-11 9-11
Leucauge argyra     Ferreira-Sousa, Leonardo, Venticinque, Eduardo Martins, Motta, Paulo César & Brescovit, Antonio Domingos, 2023, The more, the merrier: a new colonial species of the orb weaving spider genus Leucauge White, 1841 (Araneae: Tetragnathidae) from the Amazon rainforest, Zootaxa 5383 (1), pp. 83-95 : 85-87 85-87