uruguayanae, Macropsobrycon Eigenmann [C. H.] 1915:48, Fig. 13; Pl. 6 (fig. 2) [Memoirs of the Carnegie Museum v. 7 (no. 1); ref. 1231] Cacequi [Cacequy], Brazil. Holotype: FMNH 57910 [ex CM 6895a]. Paratypes: FMNH [ex CM 6896a-d] 57911 (4). Additional material: FMNH 57912 [ex CM 6897a] (1). Type catalog: Henn 1928:59 [ref. 12305], Ibarra & Stewart 1987:54 [ref. 12367]. •Valid as Macropsobrycon uruguayanae Eigenmann 1915 -- (Malabarba 1989:136 [ref. 14217], Malabarba 1998:215 [ref. 23844], Malabarba & Weitzman 1999:416 [ref. 24417], Malabarba & Weitzman 2000:279 [ref. 24413], Malabarba in Reis et al. 2003:217 [ref. 27061], López et al. 2003:31 [ref. 27366], Menni 2004:78 [ref. 28131], Miquelarena et al. 2008:78 [ref. 29829], Jerep & Malabarba 2011:302 [ref. 31388], Litz & Koerber 2014:12 [ref. 33622], Mirande & Koerber 2015:19 [ref. 35117], Bertaco et al. 2016:414 [ref. 34561], Petry et al. 2016:302 [ref. 34966], Nión et al. 2016:28 [ref. 35565], Loureiro et al. 2023:60 [ref. 40506], Jerep et al. 2024:216 [ref. 40817]). Current status: Valid as Macropsobrycon uruguayanae Eigenmann 1915. Characidae: Cheirodontinae. Distribution: South America: Laguna dos Patos, Uruguay and Negro River basins (Argentina, Brazil and Uruguay). Habitat: freshwater.