Sternarchella curvioperculata Godoy, 1968

Ferraris, Carl J., Jr, Santana, Carlos David de & Vari, Richard P., 2017, Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types, Neotropical Ichthyology 15 (1), No. e 160067, pp. 1-8 : 1-8

Sternarchella curvioperculata Godoy, 1968

Sternarchella curvioperculata Godoy, 1968: 352 , figs. 3, 4, 5. Type locality: riacho, afluente do Rio Mogi Guassu , 12 km a montante de Cachoeira das Emas, margem esquerda (km 243 do mencionado rio) [São Paulo State, Brazil]. Holotype: EEBP 336; 253 mm TL (current whereabouts unknown, Campos-da- Paz, pers. comm., 7/2016).

Remarks: Not treated as a species of Sternarchella by Ivanyisky, Albert (2014) based on reported observations by Triques (2005) and an incorrect statement that Mago- Leccia (1994) placed the species in Porotergus . However, considered a valid species of Sternarchella in Lundberg et al. (2013).

Distribution: Mogi Guassu River, Brazil ( Godoy, 1968).

Sternarchella duccis ( Lundberg, Cox Fernandes, Albert, 1996)

Magosternarchus duccis Lundberg, Cox Fernandes, Albert , in Lundberg et al., 1996: 664, fig. 2. Type locality: Brazil, Roraima State, Rio Branco, 3-11 km upriver from confluence with Rio Negro , 1°17’S, 61°51’W, 6-7 m. depth. Holotype: MZUSP 48439 ; 187 mm TL.

Distribution: Amazon River channels at least from Rio Iça to Rio Trombetas, including Rio Negro, Brazil ( Lundberg et al., 1996).