pyrrhopteryx, Diapoma Menezes [N. A.] & Weitzman [S. H.] 2011:76, Figs. 33-39 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 51 (no. 5); ref. 31289] Rio do Peixe, tributary of the rio Uruguai, Concórdia, Santa Catarina, 27°38'S, 51°53'W, Brazil. Holotype: MCP 44104. Paratypes: MCP 12982 (8), 13368 (8), 44141 (22); MZUP 104323 (2 c&s). •Valid as Diapoma pyrrhopteryx Menezes & Weitzman 2011 -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Almirón et al. 2016:1 [ref. 35094], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2017:3 [ref. 35632], Koerber et al. 2019:4 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], Ito et al. 2022:19 [ref. 39124]). Current status: Valid as Diapoma pyrrhopteryx Menezes & Weitzman 2011. Characidae: Stevardiinae. Distribution: South America: Rio Canoas basin or tributaries, rio Uruguay basin, Rio Grande do Sul (Brazil and Argentina). Habitat: freshwater.