savannensis, Knodus Géry [J.] 1961:26, Figs. 1-3 [Tropical Fish Hobbyist v. 9 (no. 9, May); ref. 9352] Estado do Tocantins [two possible localities], Brazil. Holotype: USNM 196088. Paratypes: Géry coll. M.1131 (1). Type catalog: Vari & Howe 1991:29 [ref. 19022]. For type locality correction see Lima & Géry 2001:95 [ref. 26057]. •Valid as Knodus savannensis Géry 1961 -- (Silva in Reis et al. 2003:144 [ref. 27061], Ferreira & Lima 2006:635 [ref. 28919], Ferreira & Netto-Ferreira 2010:470 [ref. 30882], Thomaz et al. 2015:Add. 5 [ref. 33893], Dos Anjos de Sousa et al. 2020:583 [ref. 37361], Deprá et al. 2021:24 [ref. 38180], Meza-Vargas et al. 2021:19 [ref. 39298], Aguiar et al. 2022:19 [ref. 39329], Koerber et al. 2023:4 [ref. 40665]). Current status: Valid as Knodus savannensis Géry 1961. Stevardiidae: Diapominae. Distribution: South America: upper Amazon and Tocantins River drainages (Brazil and Peru). Habitat: freshwater.