-51.678333, -20.75389: 10 Treatments

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Mecynogea erythromela     Martins, Pedro H. & Santos, Adalberto J., 2018, Morphology and taxonomy of the orb-weaving spider genus Mecynogea, and a peculiar species of Argiope (Araneae, Araneidae), Zootaxa 4415 (3), pp. 423-451 : 439 439
Ariadna boliviana     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 59-62 59-62
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
Idiops sertania   sp. nov.  Fonseca-Ferreira, Rafael, Guadanucci, José Paulo Leite, Yamamoto, Flávio Uemori & Brescovit, Antonio Domingos, 2021, Taxonomic revision of the Neotropical spiders of the genus Idiops Perty, 1833 (Araneae, Idiopidae), with description of four new species, European Journal of Taxonomy 780 (1), pp. 1-71 : 60-63 60-63
Ommatius pulcher     Lima, Sheila, Vieira, Rodrigo, Camargo, Alexssandro & Chagas, Cínthia, 2017, Ommatius: synonyms, new record, redescription of Ommatius erythropus and description of the female of Ommatius trifidus (Diptera: Asilidae: Ommatiinae), Zoologia (e 20784) 34, pp. 1-11 : 4-5 4-5
Cetopsis gobioides     Vari, Richard P., Ferraris Jr, Carl J. & de Pinna, Mário C. C., 2005, The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study, Neotropical Ichthyology 3 (2), pp. 127-238 : 168-171 168-171
Aspidoras     Published, First, 2007, Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types, Zootaxa 1418, pp. 1-628 : 108-110 108-110
Potamotrygon amandae     Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), Zootaxa 5296 (3), pp. 301-332 : 313-314 313-314
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
Bunocephalus larai     Esguícero, André L. H., Castro, Ricardo M. C. & Pereira, Thiago N. A., 2020, Bunocephalus hertzi, a new banjo catfish from the upper Rio Paraná basin, Brazil (Siluriformes: Aspredinidae), with the redescription of Bunocephalus larai Ihering 1930, Zootaxa 4742 (1), pp. 105-116 : 106-109 106-109