-46.19639, -7.4383335: 10 Treatments

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Eigenmannia robsoni   sp. nov.  Dutra, Guilherme Moreira, Ramos, Telton Pedro Anselmo & Menezes, Naércio Aquino, 2022, Description of three new species of Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Mearim and rio Parnaíba basins, Northeastern Brazil, Neotropical Ichthyology (e 210117) 20 (1), pp. 1-23 : 14-19 14-19
Characidium tapuia   sp. nov.  Zanata, Angela M., Ramos, Telton P. A. & Oliveira-Silva, Leonardo, 2018, A new species of Characidium (Characiformes: Crenuchidae) from the rio Parnaíba basin, northeastern Brazil, Zootaxa 4514 (1), pp. 77-86 : 78-84 78-84
Hassar affinis     Birindelli, José L. O., Fayal, Danielle F. & Wosiacki, Wolmar B., 2011, Taxonomic revision of thorny catfish genus Hassar (Siluriformes: Doradidae), Neotropical Ichthyology 9 (3), pp. 515-542 : 517-520 517-520
Tetragonopterus argenteus     Silva, Gabriel S. C., Melo, Bruno F., Oliveira, Claudio & Benine, Ricardo C., 2016, Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species, Zootaxa 4200 (1), pp. 1-46 : 11-14 11-14
Oxyascaris annulatum   sp. nov.  Santos, Ana Nunes, Willkens, Yuri, Silva, Luiz Fernando Neres, Melo, Francisco Tiago de Vasconcelos & Fernandes, Thayane Ferreira, 2023, A new species of Oxyascaris Travassos, 1920 (Nematoda: Cosmocercoidea) parasite of Leptodeira annulata (Serpentes: Colubridae) from Brazil, with a key to the species of the genus, International Journal for Parasitology: Parasites and Wildlife 22, pp. 243-248 : 244-246 244-246
Ichnanthus hoffmannseggii     Silva, Christian, Davidse, Gerrit, Schnadelbach, Alessandra Selbach & Oliveira, Reyjane Patrícia De, 2016, Systematics of Ichnanthus hoffmannseggii and allies (Poaceae, Paspaleae) based on molecular and morphological evidence, Phytotaxa 267 (4), pp. 263-278 : 265-273 265-273
Eigenmannia cacuria   sp. nov.  Dutra, Guilherme Moreira, Ramos, Telton Pedro Anselmo & Menezes, Naércio Aquino, 2022, Description of three new species of Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Mearim and rio Parnaíba basins, Northeastern Brazil, Neotropical Ichthyology (e 210117) 20 (1), pp. 1-23 : 11-14 11-14
Callibaetis pollens     Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2013, Callibaetis Eaton (Ephemeroptera: Baetidae) from Brazil, Journal of Natural History (J. Nat. Hist.) 48 (11 - 12), pp. 591-660 : 646-648 646-648
Callibaetis (Abaetetuba) pollens     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 : 513-515 513-515
Parotocinclus cabessadecuia   sp. nov.  Ramos, Telton P. A., Lima, Sergio M. Q. & da Costa Ramos, Robson T., 2017, A new species of armored catfish Parotocinclus (Siluriformes: Loricariidae) from the rio Parnaíba basin, northeastern, Brazil, Neotropical Ichthyology 15 (2), No. e 160153, pp. 1-8 : 2-7 2-7