-52.9, -18.666666: 10 Treatments

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Thaumasia onca   new species  Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64: 20-22 20-22
Araneae   comb. nov.  Gustavo R. S. Ruiz & Antonio D. Brescovit, 2008, Revision of Helvetia (Araneae: Salticidae: Heliophaninae), Revista Brasileira de Zoologia 25 (1), pp. 139-147: 147 147
Chamaecrista rigidifolia     Mendes, Thainara Policarpo, Souza, Alessandro Oliveira De & Silva, Marcos José Da, 2021, Taxonomic review of Chamaecrista sect. Absus subsect. Absus ser. Paniculatae (Benth.) H. S. Irwin & Barneby (Leguminosae, Caesalpinioideae), Phytotaxa 495 (1), pp. 1-64: 46-52 46-52
Oxyagrion zielmae   sp. nov.  Costa, Janira M., De Souza, Luiz Onofre I. & Muzón, Javier, 2006, Descriptions of three new species of Odonata from Brazil, Zootaxa 1314, pp. 53-68: 55-57 55-57
Ephemeroptera   sp. nov.  Molineri, Carlos & Salles, Frederico F., 2017, Review of selected species of Campsurus Eaton 1868 (Ephemeroptera: Polymitarcyidae), with description of eleven new species and a key to male imagos of the genus, Zootaxa 4300 (3), pp. 301-354: 318-320 318-320
Rivulus rutilicaudus   new species  Costa, Wilson J. E. M., 2005, Seven new species of the killifish genus Rivulus (Cyprinodontiformes: Rivulidae) from the Paraná, Paraguay and upper Araguaia river basins, central Brazil, Neotropical Ichthyology 3 (1), pp. 69-82: 77-80 77-80
Syagrus menzeliana   sp. nov.  Noblick, Larry R., Lorenzi, Harri & Souza, Vinicius C., 2014, Four new taxa of acaulescent Syagrus (Arecaceae) from Brazil, Phytotaxa 188 (1), pp. 1-13: 7-10 7-10
Cyprinodontiformes     Wilson J. E. M. Costa, 2007, Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae)., Zootaxa 1669, pp. 1-134: 31-33 31-33
Hypothenemus olzenoi   new species  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
Gangugia boitata   n. sp.  Bouzan, Rodrigo Salvador, Iniesta, Luiz Felipe M. & Brescovit, Antonio Domingos, 2021, Cladistic analysis and taxonomic review of the millipede tribe Arthrosolaenomeridini Hoffman, 1976 (Polydesmida: Chelodesmidae), Zootaxa 4970 (2), pp. 201-256: 226-227 226-227