Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Diapoma: [ 18 ] records

alburnus, Tetragonopterus Hensel [R.] 1870:85 [Archiv für Naturgeschichte v. 36 (pt. 1); ref. 18277] Rio Cadea, Rio Grande do Sul, Brazil. Holotype (unique): ZMB 7477. Diapoma is neuter, but alburnus is an indeclinable noun. •Valid as Astyanax alburnus (Hensel 1870) -- (Malabarba 1987:126 [ref. 11587], Malabarba 1989:128 [ref. 14217], Azpelicueta et al. 2002:1053 [ref. 26511], Azpelicueta et al. 2002:244 [ref. 26608], Almirón et al. 2002:8 [ref. 26720], Buckup in Reis et al. 2003:107 [ref. 27061], Casciotta et al. 2003:333 [ref. 27401], Nión et al. 2016:29 [ref. 35565]). •Valid as Cyanocharax alburnus (Hensel 1870) -- (Malabarba & Weitzman 2003:91 [ref. 27141], Mirande 2010:534 [ref. 31006], Baicere-Silva et al. 2011:381 [ref. 31395], Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123], Koerber 2014:4 [ref. 33621], Litz & Koerber 2014:13 [ref. 33622], Mirande & Koerber 2015:22 [ref. 35117], Petry et al. 2016:301 [ref. 34966], Nión et al. 2016:30 [ref. 35565]). •Valid as Diapoma alburnum (Hensel 1870) -- (Koerber et al. 2015:2 [ref. 35179], Koerber et al. 2019:3 [ref. 36736], Koerber et al. 2020:4 [ref. 37480], Mirande & Koerber 2020:2 [ref. 37594], Koerber et al. 2021:4 [ref. 38894], Ito et al. 2022:19 [ref. 39124], Giora & Wingert 2023:132 [ref. 41026], Koerber et al. 2023:5 [ref. 40355], Loureiro et al. 2023:64 [ref. 40506]). •Valid as Diapoma alburnus (Hensel 1870) -- (Thomaz et al. 2015:Add.5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Koerber & Litz 2016:2 [ref. 35098], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2017:3 [ref. 35632]). Current status: Valid as Diapoma alburnus (Hensel 1870). Stevardiidae: Diapominae. Distribution: South America: Brazil, Argentina and Uruguay. Habitat: freshwater.

alegretensis, Cyanocharax Malabarba [L. R.] & Weitzman [S. H.] 2003:128, Figs. 4, 7, 9, 15, 39-44 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Creek on road Santana do Livramento-Alegrete, Alegrete, Rio Grande do Sul, Brazil. Holotype: MCP 25974. Paratypes: MCP 11232 (83, 10 c&s), 11473 (34), 11498 (24), 15199 (16); MNRJ 23843 (25); MZUSP 82260 (25); USNM 357245 (25). Plus non-type specimens. •Valid as Cyanocharax alegretensis Malabarba & Weitzman 2003 -- (Zarucki et al. 2010:191 [ref. 34811], Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123], Litz & Koerber 2014:13 [ref. 33622]). •Valid as Diapoma alegretense (Malabarba & Weitzman 2003) -- (Thomaz et al. 2015:Add.5 [ref. 33893] as alegretensis, Bertaco et al. 2016:413 [ref. 34561] as alegretensis, Koerber & Litz 2016:2 [ref. 35098], Koerber et al. 2020:4 [ref. 37480], Koerber et al. 2021:4 [ref. 38894], Ito et al. 2022:20 [ref. 39124], Koerber et al. 2023:5 [ref. 40355], Loureiro et al. 2023:64 [ref. 40506]). Current status: Valid as Diapoma alegretense (Malabarba & Weitzman 2003). Stevardiidae: Diapominae. Distribution: South America: Brazil and Uruguay. Habitat: freshwater.

dicropotamicus, Cyanocharax Malabarba [L. R.] & Weitzman [S. H.] 2003:109, Figs. 3, 6, 14, 24-28 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Rio Forqueta, Marquês de Souza, Lageado, Rio Grande do Sul, Brazil. Holotype: MZUSP 82262. Paratypes: MCP 19510 (63, 5 c&s), 19516 (30); MNRJ 23845 (20); MZUSP 18984 (34); USNM 337244 (20), 337599 (14). Combined with a neuter genus, the adjective should be dicropotamicum. •Valid as Cyanocharax dicropotamicus Malabarba & Weitzman 2003 -- (Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123]). •Valid as Diapoma dicropotamicum (Malabarba & Weitzman 2003) -- (Thomaz et al. 2015:Add. 5 [ref. 33893] as dicropotamicus, Bertaco et al. 2016:413 [ref. 34561] as dicropotamicus). Current status: Valid as Diapoma dicropotamicum (Malabarba & Weitzman 2003). Stevardiidae: Diapominae. Distribution: South America: northern tributaries of the Jacuí River, Brazil. Habitat: freshwater.

guarani, Hyphessobrycon Mahnert [V.] & Géry [J.] 1987:307, Figs. 1-2 [Bonner Zoologische Beiträge v. 38 (no. 4); ref. 9115] Upper Río Paraná at Puerto Bertoni, Departamento Alto Paraná, 25°38'S, 54°40'W, Paraguay. Holotype: MHNG 2366.99. Paratypes: MHNG 2366.100 (orig. 77, 6 c&s), 2367.1 (34), 2367.2 (41), 2367.3 (4), 2367.4 (77); MNHN 1988-0467 (2); MZUSP 38399 [ex MHNG 2366.100] (3); USNM 290840 [ex MHNG 2366.100] (3), ZFMK 15521-23 (3). Type catalog: Vari & Howe 1991:26 [ref. 19022], Oyakawa 1996:468 [ref. 23140], Weber 1998:7 [ref. 32707], Herder et al. 2010:116 [ref. 31087]. •Valid as Hyphessobrycon guarani Mahnert & Géry 1987 -- (Gómez & Chebez 1996:50 [ref. 23791], Almirón & Casciotta 1999:345 [ref. 24405], Lima & Malabarba in Reis et al. 2003:137 [ref. 27061], López et al. 2003:27 [ref. 27366], Menni 2004:77 [ref. 28131], Almirón et al. 2004:674 [ref. 27987], Almirón et al. 2006:895 [ref. 29163], Miquelarena & López 2010:5 [ref. 30749], Carvalho & Langeani 2013:526 [ref. 32913], Dagosta et al. 2014:373 [ref. 33382], Mirande & Koerber 2015:26 [ref. 35117]). •Valid as Diapoma guarani (Mahnert & Géry 1987) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Koerber et al. 2015:2 [ref. 35179], Bertaco et al. 2016:413 [ref. 34561], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2017:34 [ref. 35267], Koerber et al. 2017:3 [ref. 35632], Koerber et al. 2019:3 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], dos Reis et al. 2020:460 [ref. 38364], Ito et al. 2022:20 [ref. 39124], Kampfert et al. 2025:282 [ref. 42023]). Current status: Valid as Diapoma guarani (Mahnert & Géry 1987). Stevardiidae: Diapominae. Distribution: South America: upper Paraná River basin (Argentina, Brazil and Paraguay). Habitat: freshwater.

hasemani, Astyanax Eigenmann [C. H.] in Eigenmann, Henn & Wilson 1914:10 [Indiana University Studies No. 19; ref. 1259] Porto Alegre, Brazil. Holotype: FMNH 56659 [ex CM 5476]. Paratypes: CAS 39212 [ex IU 13170] (3), FMNH 56660 (6). Type catalog: Henn 1928:61 [ref. 12305], Ibarra & Stewart 1987:13 [ref. 12367]. •Synonym of Astyanax alburnus (Hensel 1870) -- (Malabarba 1987:126 [ref. 11587], Malabarba 1989:128 [ref. 14217], Buckup in Reis et al. 2003:107 [ref. 27061]). •Synonym of Cyanocharax alburnus (Hensel 1870) -- (Litz & Koerber 2014:13 [ref. 33622]). •Synonym of Diapoma alburnus (Hensel 1870). Current status: Synonym of Diapoma alburnus (Hensel 1870). Stevardiidae: Diapominae. Habitat: freshwater.

itaimbe, Cyanocharax Malabarba [L. R.] & Weitzman [S. H.] 2003:97, Figs. 13, 17-23 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Arroio Facão at Mãe dos Homens, tributary of Rio Canoas-rio Mampituba, Praia Grande, Santa Catarina, Brazil. Holotype: MCP 25972. Paratypes: MCP 14707 (9), 14710 (47), 14788 (46, 10 c&s), 14838 (13); MNRJ 23841 (15); MZUSP 43544 (10), 43548 (40), 43549 (50); USNM 323410 (51), 323414 (41), 323416 (10). Plus non-type material. •Valid as Cyanocharax itaimbe Malabarba & Weitzman 2003 -- (Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123]). •Valid as Diapoma itaimbe (Malabarba & Weitzman 2003) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Ito et al. 2022:19 [ref. 39124]). Current status: Valid as Diapoma itaimbe (Malabarba & Weitzman 2003). Stevardiidae: Diapominae. Distribution: Atlantic coastal drainages, Brazil. Habitat: freshwater.

lepiclastus, Cyanocharax Malabarba [L. R.], Weitzman [S. H.] & Casciotta [J. R.] in Malabarba & Weitzman 2003:120, Figs. 33-38 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Frio Dourados, Linha Várzea, on road between Severiano de Almeida and Aratiba, Severiano de Almeida, Rio Grande do Sul, Brazil. Holotype: MCP 25751. Paratypes: MCP 12286 (5), 12373 (2 c&s), 12374 (6), 12470 (4), 12790 (2), 12924 (15, 4 c&s), 12972 (3), 12977 (14), 13313 (9), 13362 (2), 14550 (4), 14557 (29, 4 c&s), 15200 (9), 16381 (4), 16398 (2); MLP 10451 [ex Al 103] (5); MNRJ 23842 (8); MZUSP 82259 (9); USNM 357243 (9). Type catalog: Nadalin & López 2015:4 [ref. 34112]. Diapoma is neuter according to Koerber et al. 2015:2 [ref. 35179]. •Valid as Cyanocharax lepiclastus Malabarba, Weitzman & Casciotta 2003 -- (Koerber 2011:2 [ref. 31122], Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123], Koerber 2014:4 [ref. 33621], Mirande & Koerber 2015:22 [ref. 35117]). •Valid as Diapoma lepiclastus (Malabarba, Weitzman & Casciotta 2003) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2017:3 [ref. 35632]). •Valid as Diapoma lepiclastum (Malabarba, Weitzman & Casciotta 2003) -- (Koerber et al. 2015:2 [ref. 35179], Koerber et al. 2019:3 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], Ito et al. 2022:20 [ref. 39124]). Current status: Valid as Diapoma lepiclastum (Malabarba, Weitzman & Casciotta 2003). Stevardiidae: Diapominae. Distribution: South America: Uruguay River basin (Brazil and Argentina). Habitat: freshwater.

macropinna, Cyanocharax Malabarba [L. R.] & Weitzman [S. H.] 2003:134, Figs. 5, 8, 16, 45-49 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Arroio Pai-Passo, on road Santana do Livramento-Alegrete (RS 183), Quaraí, Rio Grande do Sul, Brazil. Holotype: MCP 25973. Paratypes: MCP 9057 (2), 11340 (33), 11341 (4), 11401 (2), 12622 (125), 13350 (8), 14291 (11, 7 c), 14598 (19, 7 c), 15081 (4), 15092 (9), 15099 (5), 16382 (16), 16384 (10); MNRJ 23844 (25); MZUSP 82261 (25); USNM 319750 (50). •Synonym of Cyanocharax uruguayensis (Messner 1962) -- (Malabarba et al. 2004:101 [ref. 27836], Koerber 2014:4 [ref. 33621], Litz & Koerber 2014:13 [ref. 33622], Mirande & Koerber 2015:22 [ref. 35117]). •Synonym of Diapoma uruguayense (Messner 1962). Current status: Synonym of Diapoma uruguayense (Messner 1962). Stevardiidae: Diapominae. Habitat: freshwater.

nandi, Diapoma Vanegas‐Ríos [J. A.], Azpelicueta [M. de las M.] & Malabarba [L. R.] 2018:Figs. 1-3 [Journal of Fish Biology v. 93 (no. 5); ref. 36145] Piray-Miní stream, near bridge on National Route 12, Rio Paraná basin, Eldorado, Misiones Province, Argentina, circa 26°20'59"S, 54°37'05"W, elevation 128 meters. Holotype: MLP 11309. Paratypes: CI-FML, MACN, MLP. •Valid as Diapoma nandi Vanegas‐Ríos, Azpelicueta & Malabarba 2018 -- (Koerber et al. 2019:3 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], Ito et al. 2022:20 [ref. 39124]). Current status: Valid as Diapoma nandi Vanegas‐Ríos, Azpelicueta & Malabarba 2018. Stevardiidae: Diapominae. Distribution: South America: Piray-Miní stream drainage, Rio Paraná basin, Misiones Province (Argentina). Habitat: freshwater.

obi, Cyanocharax Casciotta [J. R.], Almirón [A. E.], Piálek [L.] & Říĉan [O.] 2012:41, Figs. 3-6 [Zootaxa No. 3391; ref. 32076] Río Paraná basin, tributary of the arroyo Paranay--Guazú, 26°52’28.9"S, 54°42’22.8"W, Misiones, Argentina. Holotype: MACN-ict 9560. Paratypes: MACN-ist 9557 (9), 9558 (3), 9559 (3), MACN-ict uncat. (1, c&s). Type catalog: Nadalin & López 2015:4 [ref. 34112]. •Valid as Cyanocharax obi Casciotta, Almirón, Piálek & Říĉan 2012 -- (Koerber 2014:4 [ref. 33621]), Mirande & Koerber 2015:22 [ref. 35117]. •Valid as Diapoma obi (Casciotta, Almirón, Piálek & Říĉan 2012) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Koerber et al. 2015:2 [ref. 35179], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2017:3 [ref. 35632], Koerber et al. 2019:3 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], Ito et al. 2022:20 [ref. 39124]). Current status: Valid as Diapoma obi (Casciotta, Almirón, Piálek & Říĉan 2012). Stevardiidae: Diapominae. Distribution: South America: Río Paraná basin, Misiones Province (Argentina). Habitat: freshwater.

pampeana, Diapoma Ito [P. M. M.], Carvalho [T. P.], Pavanelli [C. S.], Vanegas-Ríos [J. A.] & Malabarba [L. R.] 2022:6, Figs. 1-3 [Neotropical Ichthyology v. 20 (no. 1): e210115; ref. 39124] Road between Aceguá and Bagé, BR-153, Cinco Saltos creek, affluent of Negro River, Bagé, Rio Grande do Sul, Brazil, 31°36'53"S, 54°08'42"W. Holotype: UFRGS 28705. Paratypes: MCP, UFRGS, ZVCP. •Valid as Diapoma pampeana Ito, Carvalho, Pavanelli, Vanegas-Ríos & Malabarba 2022 -- (Koerber et al. 2023:5 [ref. 40355], Loureiro et al. 2023:64 [ref. 40506], Vanegas-Ríos et al. 2024:75 [ref. 40834]). Current status: Valid as Diapoma pampeana Ito, Carvalho, Pavanelli, Vanegas-Ríos & Malabarba 2022. Stevardiidae: Diapominae. Distribution: South America: Negro River drainage, Uruguay River basin (Rio Grande do Sul, Brazil; Uruguay). Habitat: freshwater.

potamohadros, Diapoma Ito [P. M. M.], Carvalho [T. P.], Pavanelli [C. S.], Vanegas-Ríos [J. A.] & Malabarba [L. R.] 2022:13, Figs. 5-7 [Neotropical Ichthyology v. 20 (no. 1): e210115; ref. 39124] Iguaçu River, Salto Osório Reservoir, Quedas do Iguaçú municipality, Paraná State, Brazil, 25°30'49"S, 53°00'04"W. Holotype: UFRGS 28700. Paratypes: MACN, MCP, MLP, NUP, UFRGS. Plus additional non-type material. Type catalog: Oliveira et al. 2022:8 [ref. 39255]. •Valid as Diapoma potamohadros Ito, Carvalho, Pavanelli, Vanegas-Ríos & Malabarba 2022 -- (Koerber et al. 2023:2 [ref. 40368], Koerber et al. 2024:2 [ref. 41721]). Current status: Valid as Diapoma potamohadros Ito, Carvalho, Pavanelli, Vanegas-Ríos & Malabarba 2022. Stevardiidae: Diapominae. Distribution: South America: lower Iguaçu River drainage, Paraná River basin (Paraná State, Brazil and Argentina). Habitat: freshwater.

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. Stevardiidae: Diapominae. Distribution: South America: Rio Canoas basin or tributaries, rio Uruguay basin, Rio Grande do Sul (Brazil and Argentina). Habitat: freshwater.

speculiferum, Diapoma Cope [E. D.] 1894:67 [American Naturalist v. 28 (no. 325); ref. 966] Upper Rio Jacuhy [Jacuhí], Rio Grande do Sul, Brazil. Holotype (unique): ANSP 21580. Type catalog: Böhlke 1984:54 [ref. 13621]. •Valid as Diapoma speculiferum Cope 1894 -- (Malabarba 1989:134 [ref. 14217], Malabarba & Weitzman 2000:279 [ref. 24413], Weitzman in Reis et al. 2003:224 [ref. 27061], Mirande 2010:541 [ref. 31006], Menezes & Weitzman 2011:62 [ref. 31289], Litz & Koerber 2014:13 [ref. 33622], Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Nión et al. 2016:29 [ref. 35565], Ito et al. 2022:19 [ref. 39124], Giora & Wingert 2023:133 [ref. 41026], Loureiro et al. 2023:63 [ref. 40506]). Current status: Valid as Diapoma speculiferum Cope 1894. Stevardiidae: Diapominae. Distribution: South America: lower elevation coastal streams in Rio Grande do Sul (Brazil) and eastern Uruguay. Habitat: freshwater.

terofali, Glandulocauda Géry [J.] 1964:2, Fig. 1 [Opuscula Zoologica. Herausgegeben von der Zoologischen Staatssammlung in München No. 78; ref. 1891] Canal "El Cazador", Río Luján, tributary of Río de la Plata, 34°18'00"S, 58°46'00"W, Buenos Aires Province, Argentina. Holotype: ZSM 22503a. Paratypes: ANSP 139721 (1); MHNG 2187.6 (3 of 4); ZSM 22503b (7 now 5), 22141a (6 now 4). Type catalog: Böhlke 1984:55 [ref. 13621], Neumann 2011:245 [ref. 31652]. ANSP specimen might not be a type; only ZSM specimens were referred to in original description (holotype + 13 paratypes). •Valid as Diapoma terofali (Géry 1964) -- (Weitzman & Fink 1985:109 [ref. 5203], Weitzman in Reis et al. 2003:224 [ref. 27061], López et al. 2003:21 [ref. 27366], Casciotta et al. 2003:83 [ref. 28130], Menni 2004:76 [ref. 28131], Mirande 2010:541 [ref. 31006], Litz & Koerber 2014:13 [ref. 33622], Menezes & Weitzman 2011:62 [ref. 31289], Thomaz et al. 2015:Add. 5 [ref. 33893], Mirande & Koerber 2015:22 [ref. 35117], Bertaco et al. 2016:413 [ref. 34561], Petry et al. 2016:301 [ref. 34966], Nión et al. 2016:29 [ref. 35565], Ito et al. 2022:19 [ref. 39124], Loureiro et al. 2023:63 [ref. 40506]). Current status: Valid as Diapoma terofali (Géry 1964). Stevardiidae: Diapominae. Distribution: South America: Lower Paraná and Uruguay River basins (Argentina, Brazil and Uruguay). Habitat: freshwater.

thauma, Diapoma Menezes [N. A.] & Weitzman [S. H.] 2011:67, Figs. 17-23 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 51 (no. 5); ref. 31289] Rio das Antas near mouth of the rio da Prata basin, 29°04'01"S, 51°22'48"W, Rio Grande do Sul, Brazil. Holotype: MCP 44105. Paratypes: MCP 23047 (2), 3758 (2), 37900 (2?), 41011 (12); MZUSP 104077 (28 or 30, 2 c&s); UFRGS 9708 (24). •Valid as Diapoma thauma Menezes & Weitzman 2011 -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Ito et al. 2022:19 [ref. 39124]). Current status: Valid as Diapoma thauma Menezes & Weitzman 2011. Stevardiidae: Diapominae. Distribution: Tributaries of rio Jacuí basin, Rio Grande do Sul, Brazil. Habitat: freshwater.

tipiaia, Cyanocharax Malabarba [L. R.] & Weitzman [S. H.] 2003:116, Figs. 29-32 [Comunicações do Museu de Ciências e Tecnologia da PUCRS, Sér. Zoologia. v. 16 (no. 1); ref. 27141] Arroio Tipiáia, about 13 kilometers north of Júlio de Castilhos, on road to Cruz Alta, Rio Grande do Sul, Brazil. Holotype: MCP 30471. Paratypes: MCP 22712 (11, 2 c&s), 22766 (90). Plus non-type speciemens. •Valid as Cyanocharax tipiaia Malabarba & Weitzman 2003 -- (Casciotta et al. 2012:39 [ref. 32076], Protogino & Miquelarena 2012:581 [ref. 32123]). •Valid as Diapoma tipiaia (Malabarba & Weitzman 2003) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Ito et al. 2022:20 [ref. 39124]). Current status: Valid as Diapoma tipiaia (Malabarba & Weitzman 2003). Stevardiidae: Diapominae. Distribution: Western small tributaries of the Jacuí River, Rio grande do Sul, Brazil. Habitat: freshwater.

uruguayensis, Hyphessobrycon melanopleurus Messner [E.] 1962:4 [Boletin de la Asociacion Latino Americana de Ictiologos y Herpetologos v. 2 (no. 1); ref. 23528] Arroyo Tomás Cuadra, tributary of River Negro, Durazno, Uruguay. Syntypes: MHNM 758-759 (1, 1). Type catalog: Olazarri et al. 1970:3 [ref. 23527]; see also Malabarba et al. 2004:101 [ref. 27836], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Cyanocharax uruguayensis (Messner 1962) -- (Malabarba et al. 2004:99 [ref. 27836], Koerber 2011:2 [ref. 31122], Protogino & Miquelarena 2012:581 [ref. 32123], Koerber 2014:4 [ref. 33621], Litz & Koerber 2014:13 [ref. 33622], Mirande & Koerber 2015:22 [ref. 35117], Nión et al. 2016:30 [ref. 35565] with author without parentheses). •Valid as Diapoma uruguayensis (Messner 1962) -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Koerber et al. 2015:2 [ref. 35179], Bertaco et al. 2016:413 [ref. 34561], Koerber & Litz 2016:2 [ref. 35098], Koerber et al. 2017:3 [ref. 35083], Koerber et al. 2019:4 [ref. 36736]). •Valid as Diapoma uruguayense (Messner 1962) -- (Koerber et al. 2017:3 [ref. 35632], Koerber et al. 2020:4 [ref. 37480], Mirande & Koerber 2020:2 [ref. 37594], Koerber et al. 2021:5 [ref. 38894], Ito et al. 2022:19 [ref. 39124], Koerber et al. 2023:5 [ref. 40355], Loureiro et al. 2023:64 [ref. 40506]). Current status: Valid as Diapoma uruguayense (Messner 1962). Stevardiidae: Diapominae. Distribution: South America: Uruguay River basin (Argentina, Brazil and Uruguay). Habitat: freshwater.