pantanal, Gymnotus Fernandes [F. M. C.], Albert [J. S.], Daniel-Silva [M. de F. Z.], Lopes [C. E.], Crampton [W. G. R.] & Almeida-Toledo [L. F.] 2005:4, Fig. 1 [Zootaxa No. 933; ref. 28147] Near Miranda, 20°11'78"S, 56°30'13"W, Rio Miranda, Mato Grosso do Sul state, Brazil. Holotype: MZUSP 67874. Paratypes: MZUSP 67875 (1), 67876 (1). Plus non-type specimens. Type catalog: Ferraris et al. 2017:[20] [ref. 35236]. •Valid as Gymnotus pantanal Fernandes, Albert, Daniel-Silva, Lopes, Crampton & Almeida-Toledo 2005 -- (Cognato et al. 2008:381 [ref. 29363], Richer-de-Forges et al. 2009:543 [ref. 30384], Maxime & Albert 2009:582 [ref. 30673], Frana et al. 2011:343 [ref. 31393], Milhomem et al. 2012:804 [ref. 31815], Koerber 2014:11 [ref. 33621], Sarmiento et al. 2014:104, 188 [ref. 35004], Mirande & Koerber 2015:48 [ref. 35117], Ferraris et al. 2017:[20] [ref. 35236], Koerber et al. 2017:70 [ref. 35267], Craig et al. 2018:63 [ref. 35800], Craig et al. 2018:130 [ref. 35904], Craig et al. 2019:55 [ref. 37060] in subgenus Gymnotus, Azevedo-Santos et al. 2020:5 [ref. 39606], Ochoa et al. 2020:63 [ref. 37781], Reis et al. 2020:463 [ref. 38364]). Current status: Valid as Gymnotus pantanal Fernandes, Albert, Daniel-Silva, Lopes, Crampton & Almeida-Toledo 2005. Gymnotidae: Gymnotinae. Distribution: South America: Parana-Paraguay River system (Brazil, Bolivia, Paraguay and Argentina). Habitat: freshwater.