Diapoma, Cope, 1894

Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 151-153

DIAPOMA Cope, 1894

NA Menezes, P Camelier, LR Malabarba

Diapoma Cope, 1894b:67 . Type species: Diapoma speculiferum Cope, 1894 . Type by monotypy. Gender: Neuter.

Cyanocharax Malabarba, Weitzman, 2003:95 . Type species: Cyanocharax macropinna Malabarba, Weitzman, 2003 . Type by original designation. Gender: Masculine. Additional comments: Considered a synonym of Diapoma Cope, 1894 by Thomaz et al., 2015:20 and Ito et al., 2022.

Diapoma alburnum (Hensel, 1870)

Tetragonopterus alburnus Hensel, 1870:85 . Type locality: Rio Cadea. [Rio Cadeia ]. Holotype: ZMB 7477 .

Astyanax hasemani Eigenmann , in Eigenmann , Henn, Wilson, 1914:10. Type locality: Porto Alegre. [ Brazil]. Holotype: FMNH 56659 . [Ibarra, Stewart, 1987].

Distribution: 332, 333, 334, 335 (Bertaco et al., 2016; Malabarba, 1983).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma alegretense (Malabarba, Weitzman, 2003)

Cyanocharax alegretensis Malabarba, Weitzman, 2003:128 , figs. 4, 7, 9, 15, 39–44. Type locality: Creek on road Santana do Livramento - Alegrete, Alegrete, Rio Grande do Sul, Brazil. Holotype: MCP 25974 .

Distribution: 332 (Malabarba, Weitzman, 2003).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma dicropotamicus (Malabarba, Weitzman, 2003)

Cyanocharax dicropotamicus Malabarba, Weitzman, 2003:109 , figs. 3, 6, 14, 24–28. Type locality: Rio Forqueta , Marquês de Souza, Lageado, Rio Grande do Sul, Brazil. Holotype: MZUSP 82262 .

Distribution: 334 (Malabarba, Weitzman, 2003).

Diapoma guarani (Mahnert, Géry, 1987)

Hyphessobrycon guarani Mahnert, Géry, 1987:307 , figs. 1–2. Type locality: Paraguay, dep. Alto Parana , Rio Alto Parana à Puerto Bertoni (25°38’S, 54°40’W), dans um bras mort du fleuve. Holotype: MHNG 2366.99.

Distribution: 344, 345 (Mahnert, Géry, 1987; Carvalho, Langeani, 2013).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma itaimbe (Malabarba, Weitzman, 2003)

Cyanocharax itaimbe Malabarba, Weitzman, 2003:97 , figs. 13, 17–23. Type locality: Arroio Facão at Mãe dos Homens, tributary rio Canoas - rio Mampituba , Praia Grande, Santa Catarina, Brazil. Holotype: MCP 25972 .

Distribution: 335 (Malabarba, Weitzman, 2003).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma lepiclastum (Malabarba, Weitzman, Casciotta, 2003)

Cyanocharax lepiclastus Malabarba, Weitzman, Casciotta , in Malabarba , Weitzman, 2003:120, figs. 33–38. Type locality: Rio Dourados, Linha Várzea, on road between Severiano de Almeida and Aratiba, Severiano de Almeida, Rio Grande do Sul, Brazil. Holotype: MCP 25751 .

Distribution: 333 (Malabarba, Weitzman, 2003).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma nandi Vanegas-Ríos, Azpelicueta, Malabarba, 2018

Diapoma nandi Vanegas-Ríos, Azpelicueta, Malabarba, 2018 . Type locality: Argentina, Misiones Province , Eldorado , Rio Paraná basin, Piray-Miní stream, near bridge on National Route 12, c. 26°20’59”S, 54°37’05”W 128 m a.s.l. Holotype: MLP 11309 .

Distribution: 345 ( Vanegas-Ríos et al., 2018).

Diapoma obi (Casciotta, Almirón, Piálek, Rícan, 2012)

Cyanocharax obi Casciotta, Almirón, Piálek, Rícan, 2012:42 , figs. 3–6. Type locality: Argentina: Misiones : rio Paraná basin, tributary of the arroyo Paranay-Guazú, 26°52’ 28.9”S, 54°42’ 22.8”W. Holotype: MACN-ict 9560.

Distribution: 345 (Casciotta et al., 2012).

Remarks: Generic assignment based on Thomaz et al. (2015).

Diapoma pampeana Ito, Carvalho, Pavanelli, Vanegas-Ríos, Malabarba, 2022

Diapoma pampeana Ito, Carvalho, Pavanelli, Vanegas-Ríos, Malabarba, 2022:6 , figs. 1–3. Type locality: Brazil, Rio Grande do Sul, Bagé, road between Aceguá and Bagé, BR-153, Cinco Saltos creek, affluent of Negro River , 31°36’53”S, 54°08’42”W. Holotype: UFRGS 28705 .

Distribution: 332 (Ito et al., 2022).

Diapoma potamohadros Ito, Carvalho, Pavanelli, Vanegas-Ríos, Malabarba, 2022

Diapoma potamohadros Ito, Carvalho, Pavanelli, Vanegas-Ríos, Malabarba, 2022:13 , figs. 5–7. Type locality: Iguaçu River , Salto Osório Reservoir, Quedas do Iguaçú municipality, Paraná State, Brazil, 25°30’49”S, 53°00’04W ”. Holotype: UFRGS 28700 .

Distribution: 346 (Ito et al., 2022).

Diapoma pyrrhopteryx Menezes, Weitzman, 2011

Diapoma pyrrhopteryx Menezes, Weitzman, 2011:76 , figs. 33–39. Type locality: Rio do Peixe , tributary of rio Uruguai, Concórdia, Santa Catarina, 27°28’S, 51°53’W. [ Brazil]. Holotype: MCP 44104 .

Distribution: 333 (Menezes, Weitzman, 2011).

Diapoma speculiferum Cope, 1894

Diapoma speculiferum Cope, 1894b:67 . Type locality: Upper waters of the Jacuhy River in the Brazilian State of Rio Grande do Sul. [Jacuhy is now written Jacuí in Portuguese]. Holotype: ANSP 21580 . [Fowler (1906:334); Böhlke (1984:54)].

Distribution: 332, 334 (Cope, 1894b; Menezes, Weitzman, 2011).

Remarks: Species redescribed by Menezes, Weitzman, 2011.

Diapoma terofali (Géry, 1964)

Glandulocauda terofali Géry, 1964e:2 , fig. 1. Type locality: Canal “El Cazador”, Rio Lujan (affluent du Rio de la Plata), Province de Buenos-Ayres, République Argentine. [ Argentina]. Holotype: ZSM 22503 a (see Neumann, 2011:245 for discussion of type series).

Distribution: 334 (Géry, 1964e; Menezes, Weitzman, 2011).

Diapoma thauma Menezes, Weitzman, 2011

Diapoma thauma Menezes, Weitzman, 2011:67 , figs. 17–23. Type locality: Rio das Antas near mouth of the rio da Prata basin, 29°04’01”S, 51°22’48”W. [( State of Rio Grande do Sul, Brazil)]. Holotype: MCP 44105 .

Distribution: 334 (Menezes, Weitzman, 2011).

Diapoma tipiaia (Malabarba, Weitzman, 2003)

Cyanocharax tipiaia Malabarba, Weitzman, 2003:116 , figs. 29–32. Type locality: Arroio Tipiáia , about 3 km North of Júlio de Castilhos, on road to Cruz Alta, Rio Grande do Sul, Brazil. Holotype: MCP 30471 .

Distribution: 335 (Malabarba, Weitzman, 2003).

Diapoma uruguayense (Messner, 1962)

Hyphessobrycon melanopleurus uruguayensis Messner, 1962:4 . Type locality: Hasta ahora lo he encontrado solamente en la vertíente del R. Uruguay. [Syntypes from arroyo Tomás Cuadra, a tributary of the rio Negro, that is a tributary of the lower rio Uruguay, Durazno, Uruguay (Lat. -33.38333; Long. -56.41667) (Malabarba et al., 2004)]. Syntypes: MHNM 758 (1), MHNM 759 (1). [Olazarri et al., 1970; Malabarba et al., 2004].

Cyanocharax macropinna Malabarba, Weitzman, 2003:134 , figs. 5, 8, 16, 45–49. Type locality: Arroio Pai-Passo , on road Santana do Livramento - Alegrete ( RS 183 ), Quaraí, Rio Grande do Sul, Brazil. Holotype: MCP 25973 .

Distribution: 332 (Malabarba, Weitzman, 2003).

Remarks: Mimiographed, but regarded as available (see Malabarba et al., 2004. A transcription and clean copy published by Koerber, Litz (2011). Discussion about taxonomic status of species in Malabarba et al. (2004). Generic assignment based on Thomaz et al. (2015).