kryptos, Xiliphius Taphorn [D. C.] & Lilyestrom [C. G.] 1983:43, Fig. 1 [Revista Unellez de Ciencia y Tecnologia v. 1 (no. 1); ref. 19838] Río Aricuaisá, Estado Zulia, Venezuela. Holotype: MCNG 1224. Paratypes: Univ. de Los Andes V-2521 (1). Type catalog: Ferraris 2007:62 [ref. 29155]. Genus should have been spelled Xyliphius. •Synonym of Xyliphius magdalenae Eigenmann 1912 -- (Galvis et al. 1997:77 [ref. 23651] as Xiliphius). •Valid as Xyliphius kryptos Taphorn & Lilyestrom 1983 -- (Friel in Reis et al. 2003:265 [ref. 27061], Ferraris 2007:62 [ref. 29155], Calviño & Castello 2008:55 [ref. 29670], Figueiredo & Britto 2010:105 [ref. 30760], Carvalho et al. 2017:26 [ref. 35187], DoNascimiento et al. 2017:85 [ref. 35633], Terán et al. 2024:Supplementary material 2, p. 2 [ref. 41358]). Current status: Valid as Xyliphius kryptos Taphorn & Lilyestrom 1983. Aspredinidae: Aspredininae. Distribution: South America: Colombia and Venezuela. Habitat: freshwater.