victoriae, Tetragonopterus Steindachner [F.] 1907:83 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 44 (no. 6) (for 28 Feb. 1907); ref. 20499] Near mouth of River Parnaiba at Victoria, Alto Parnaíba Municipality, Maranhão, Brazil. Syntypes: (several) NMW 57823-25 (16, 13, 18). Comments on type locality see Aguiar et al. 2021:1 [ref. 38534]. •Valid as Knodus victoriae (Steindachner 1907) -- (Silva in Reis et al. 2003:144 [ref. 27061], Ferreira & Lima 2006:637 [ref. 28919], Ferreira & Netto-Ferreira 2010:470 [ref. 30882], Román-Valencia et al. 2013:130 [ref. 32807], Barriga Salazar 2014:107 [ref. 35745], Esguícero & Castro 2014:47 [ref. 33506], Ramos et al. 2014:4 [ref. 35321], Thomaz et al. 2015:Add. 5 [ref. 33893], Melo et al. 2016:376 [ref. 35317], Dos Anjos de Sousa et al. 2020:583 [ref. 37361], Aguiar et al. 2021:1 [ref. 38534], Deprá et al. 2021:24 [ref. 38180], Koerber et al. 2022:41 [ref. 39235], Aguiar et al. 2022:19 [ref. 39329], Ferreira 2024:214 [ref. 40817]). Current status: Valid as Knodus victoriae (Steindachner 1907). Stevardiidae: Diapominae. Distribution: South America: Parnaíba River and upper Amazon River basins, Bolivia, Peru, Ecuador and Brazil. Habitat: freshwater.