Species that contain: Triportheus and rotundatus [ 5 ] records

brachipomus, Chalcinus Valenciennes [A.] in Cuvier & Valenciennes 1850:259 [Histoire naturelle des poissons v. 22; ref. 1014] Mana, Essequibo River, French Guyana, 5°44'N, 53°54'W. Lectotype: MNHN 2004-3095 [ex MNHN 0000-5042]. Paralectotypes: MNHN 0000-5402 (2, now 1), A-9836 (1), A-9916 (5). Type catalog: Bertin 1948:9 [ref. 19577]. Lectotype selected by Malabarba 2004:177 [ref. 28150]. •Synonym of Triportheus rotundatus (Jardine 1841) -- (Malabarba & Lima in Reis et al. 2003:158 [ref. 27061]). •Valid as Triportheus brachipomus (Valenciennes 1850) -- (Malabarba 2004:176 [ref. 28150], Mariguela et al. 2016:132 [ref. 34141], DoNascimiento et al. 2017:64 [ref. 35633], Borstein et al. 2022:16 [ref. 39507], Malabarba 2024:436 [ref. 40817]). Current status: Valid as Triportheus brachipomus (Valenciennes 1850). Triportheidae: Triportheinae. Distribution: South America: Orinoco River basin (Brazil, Colombia, French Guyana, Guiana, Suriname, Venezuela). Habitat: freshwater.

iquitensis, Chalcinus elongatus Nakashima [S.] 1941:63, Fig. [Boletín del Museo de Historia Natural "Javier Prado" v. 5 (no. 16); ref. 13189] Puerto de Iquitos, Amazon system, northeastern Peru. No types known. Objectively invalid; preoccupied in same article by Chalcinus rotundatus iquitensis Nakashima 1941:65 [ref. 13189]; first reviser apparently Malabarba 2004:186 [ref. 28150] selecting C. e. iquitensis. •Synonym of Triportheus elongatus (Günther 1864) -- (Malabarba & Lima in Reis et al. 2003:157-158 [ref. 27061]). •Synonym of Triportheus culter (Cope 1872) -- (Malabarba 2004:186 [ref. 28150], Malabarba 2024:436 [ref. 40817]). 1°Homonym. Current status: Synonym of Triportheus culter (Cope 1872). Triportheidae: Triportheinae. Habitat: freshwater.

iquitensis, Chalcinus rotundatus Nakashima [S.] 1941:65 [Boletín del Museo de Historia Natural "Javier Prado" v. 5 (no. 16); ref. 13189] Puerto de Iquitos, Amazon system, northeastern Peru. No types known. Preoccupied in same article by Chalcinus elongatus iquitensis Nakashima 1941:63 [ref. 13189]; first reviser Malabarba 2004:186 selecting C. e. iquitensis. •Synonym of Triportheus rotundatus (Jardine 1841) -- (Malabarba & Lima in Reis et al. 2003:158 [ref. 27061]). •Synonym of Triportheus albus Cope 1872 -- (Malabarba 2004:184 [ref. 28150], Malabarba 2024:435 [ref. 40817]). Current status: Synonym of Triportheus albus Cope 1872. Triportheidae: Triportheinae. Habitat: freshwater.

rotundatus, Chalceus Jardine [W.] in Schomburgk 1841:209 [The Natural history of fishes of Guiana; ref. 18707] Lago Amapá, Rio Purus drainage, Acre, Brazil, 10°02'36"S, 67°50'24"W. Neotype: MCP 34863. Neotype designated by Malabarba 2004:175 [ref. 28150] •Valid as Triportheus rotundatus (Jardine 1841) -- (Ortega & Vari 1986:10 [ref. 9708], Planquette et al. 1996:232 [ref. 22818], Malabarba 1998:76 [ref. 23840], Malabarba & Lima in Reis et al. 2003:158 [ref. 27061], Malabarba 2004:174 [ref. 28150], Sarmiento et al. 2014:54, 185 [ref. 35004], Mariguela et al. 2016:132 [ref. 34141], DoNascimiento 2016:538 [ref. 34727], DoNascimiento et al. 2017:64 [ref. 35633], Careaga et al. 2020:76 [ref. 37774], Silvano et al. 2020:85 [ref. 38133], Meza-Vargas et al. 2021:20 [ref. 39298], Malabarba 2024:437 [ref. 40817]). Current status: Valid as Triportheus rotundatus (Jardine 1841). Triportheidae: Triportheinae. Distribution: South America: Amazon River basin and coastal rivers of the Guianas (Brazil, Colombia, Bolivia, French Guiana, Guyana, Peru, Suriname and ?Venezuela). Habitat: freshwater.

rotundatus, Chalcinus Nakashima [S.] 1941:64, Fig. [Boletín del Museo de Historia Natural "Javier Prado" v. 5 (no. 16); ref. 13189] Puerto de Iquitos, Amazon system, northeastern Peru. No types known. Appeared as above in main heading (apparently in error) and as Chalcinus rotundatus iquitensis in caption to figure; intention of author unclear. As a subspecies, the name is in competition with Chalcinus elongatus iquitensis in the same work. •Synonym of Triportheus rotundatus (Jardine 1841) -- (Malabarba & Lima in Reis et al. 2003:158 [ref. 27061]). •Synonym of Triportheus albus Cope 1872 -- (Malabarba 2024:435 [ref. 40817]). 1°Homonym. Current status: Synonym of Triportheus albus Cope 1872. Triportheidae: Triportheinae. Habitat: freshwater.