anomalus, Xiphorhamphus Steindachner [F.] 1880:84 [32] [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 42; ref. 14403] Río Cauca, Colombia. Holotype (unique): NMW 57983. On p. 32 of separate. •Valid as Acestrocephalus anomalus (Steindachner 1880) -- (Menezes 1976:37 [ref. 7073], Lasso & Taphorn 2000:443 [ref. 25255], Lucena & Menezes in Reis et al. 2003:200 [ref. 27061], DoNascimiento et al. 2017:46 [ref. 35633]). Current status: Valid as Acestrocephalus anomalus (Steindachner 1880). Characidae: Characinae. Distribution: Magdalena River basin, Colombia. Habitat: freshwater.