Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types Author Ferraris, Carl J. Author Jr Author Santana, Carlos David de Author Vari, Richard P. text Neotropical Ichthyology 2017 2017-03-30 15 1 e 160067 1 8 http://dx.doi.org/10.1590/1982-0224-20160067 journal article 10.1590/1982-0224-20160067 1982-0224 6A7C7483-4945-4923-A859-ECEEEEF6F14B Brachyhypopomus gauderio Giora, Malabarba, 2009 Brachyhypopomus gauderio Giora, Malabarba, 2009: 62 , figs. 1, 2, 3. Type locality: [ Brazil , Rio Grande do Sul ] Palmares do Sul, Channel connecting Lagoa do Casamento and Lagoa dos Gateados ( 30°28’S , 50°40’W ). Holotype : MCP 43280; 149 mm LEA. Distribution: Laguna dos Patos and Tramandaí River drainage, Brazil ; Rio Uruguay ; Paraguay River ( Giora, Malabarba, 2009 ); Paraná River basin, Argentina ( Almirón et al ., 2010 ; Crampton et al ., 2016b ). Brachyhypopomus hamiltoni Crampton, de Santana, Waddell, Lovejoy, 2016 Brachyhypopomus hamiltoni Crampton, de Santana, Waddell, Lovejoy, 2016b: 728 , fig. 28. Type locality: Brazil , Amazonas , Mun. Alvarães, Mamirauá Reserve , Ressaca da Vila Alencar , rio Solimões - rio Japurá floodplain, rio Amazonas dr., 3º07’41”S , 64°48’04”W . Holotype : MCP 45482; 97 mm TL. Distribution: Upper, middle, and lower Amazon, and middle Negro River ( Crampton et al ., 2016b ). Brachyhypopomus hendersoni Crampton, de Santana, Waddell, Lovejoy, 2016 Brachyhypopomus hendersoni Crampton, de Santana, Waddell, Lovejoy, 2016b: 731 , fig. 30b. Type locality: Brazil , Amazonas , Mun. Maraã, lago Amanã , Igarape Juá Grande , rio Japurá , Amazonas dr., 2°28’50”S , 64°48’50”W . Holotype : MCP 45305; 146 mm TL. Distribution: Central Amazon near Tefé, from blackwater lakes, and lower rio Negro, Brazil , and from Essequibo drainage, Guyana ( Crampton et al ., 2016b ). Brachyhypopomus janeiroensis (Costa, Campos-da-Paz, 1992) Hypopomus janeiroensis Costa, Campos-da-Paz, 1992: 118, figs. 2, 3. Type locality: Brésil , Rio de Janeiro , Corrego Salto-d’agua, affluent du Rio Sao Joao [sic, São João], 6 km N. de Silva Jardim , 22°39”S, 42°23”W [sic, probably 22°39’S , 42°23’W ]. Holotype : MZUSP 43130 ; 92 mm TL. Distribution: São João and Paraíba do Sul River basins, Rio de Janeiro State , Brazil ( Crampton et al. , 2016b ).