-42.881638, -22.666582: 10 Treatments

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Chthonerpeton markwilkinsoni   sp. nov.  Santos, Rodolfo Otávio, Pineschi, Renato Balieiro & Zaher, Hussam, 2025, A new species of Chthonerpeton (Amphibia: Gymnophiona: Typhlonectidae) from Rio de Janeiro, Brazil, Zootaxa 5728 (3), pp. 561-570 : 562-564 562-564
Boa atlantica   sp. nov.  Gonzalez, Rodrigo Castellari, Lima, Lorena Corina Bezerra de, Passos, Paulo & Silva, Maria José J., 2024, The good, the bad and the boa: An unexpected new species of a true boa revealed by morphological and molecular evidence, PLoS ONE (e 0298159) 19 (4), pp. 1-29 : 10-20 10-20
Microcambeva bendego   sp. nov.  Medeiros, Lucas Silva De, Moreira, Cristiano Rangel, Pinna, Mário De & Lima, Sergio Maia Queiroz, 2020, A new catfish species of Microcambeva Costa & Bockmann 1994 (Siluriformes Trichomycteridae) from a coastal basin in Rio de Janeiro State, southeastern Brazil, Zootaxa 4895 (1), pp. 111-123 : 113-120 113-120
Canthon (Peltecanthon) staigi     Nunes, Luis Gabriel de O. A., Nunes, Rafael V. & Vaz-De, Fernando Z., 2020, Taxonomic revision of the South American subgenus Canthon (Peltecanthon) Pereira, 1953 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), European Journal of Taxonomy 594, pp. 1-27 : 4-9 4-9
Riolestes capricornicus   sp. nov.  Goin, Francisco J., Candela, Adriana M., Abello, M. Alejandra & Oliveira, Edison V., 2009, Earliest South American paucituberculatans and their significance in the understanding of ‘ pseudodiprotodont’ marsupial radiations, Zoological Journal of the Linnean Society 155 (4), pp. 867-884 : 874-875 874-875
Dichotomius (Luederwaldtinia) irinus     Valois, Marcely C., Vaz-De-Mello, Fernando Z. & Silva, Fernando A. B., 2017, Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae), Zootaxa 4277 (4), pp. 503-530 : 511-514 511-514
Metaleptobasis selysi     Ellenrieder, Natalia Von, 2013, <p> <strong> A revision of <em> Metaleptobasis </ em> Calvert (Odonata: Coenagrionidae) with seven synonymies and the description of eighteen new species from South America </ strong> </ p>, Zootaxa 3738 (1), pp. 1-155 : 68-69 68-69
Ouratea crassinervia     John Teixeira, Luíza, Araújo, Michelly de Deus Felipe, Deccache, Lara Serpa Jaegge & Fraga, Claudio Nicoletti de, 2025, When nomenclature and morphology unravel an enigma: the true identity of Ouratea crassinervia (Ochnaceae), Plant Ecology and Evolution 158 (2), pp. 237-247 : 237-247 237-247
Hornschuchia bryotrophe     Vilela, Lucas & Lopes, Jenifer De Carvalho, 2022, Hornschuchia (Annonaceae), an endemic and threatened genus from the Brazilian Atlantic Forest, European Journal of Taxonomy 828, pp. 75-108 : 81-85 81-85
Rineloricaria nudipectoris   sp. nov.  Mejia, Eduardo, Ferraro, Gustavo A. & Buckup, Paulo A., 2023, A new species of Rineloricaria (Siluriformes: Loricariidae) from coastal drainages of Rio de Janeiro, southeastern Brazil, Neotropical Ichthyology (e 220083) 21 (1), pp. 1-20 : 5-14 5-14