semitaeniatus, Hemiodus Kner [R.] 1858:77 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 30 (no. 13); ref. 13404] Rio Guaporé, Amazon system, Brazil. Lectotype: MNW 69489. Paralectotype: NMW 69489 (1). Appeared in more detail in Kner 1859:154, Pl. 4 [ref. 2631]. Lectotype selected by Langeani in Reis et al. 2003:98 [ref. 27061]. •Valid as Hemiodopsis semitaeniatus (Kner 1858) -- (Britski et al. 1999:71 [ref. 24147]). •Valid as Hemiodus semitaeniatus Kner 1858 -- (Langeani 1999:721 [ref. 23914], Langeani in Reis et al. 2003:98 [ref. 27061], Langeani & Moreira 2013:1266 [ref. 32535], Langeani & Moreira 2013:1267 [ref. 32535], Sarmiento et al. 2014:186 [ref. 35004], Koerber et al. 2017:12 [ref. 35267], DoNascimiento et al. 2017:38 [ref. 35633], Nogueira et al. 2019:803 [ref. 36655], Careaga et al. 2020:76 [ref. 37774], Nogueira et al. 2020:[5] [ref. 38050], Silva et al. 2020:179 [ref. 37389], Meza-Vargas et al. 2021:15 [ref. 39298], Taphorn et al. 2022:25 [ref. 41297], Cortés Hernández et al. 2023:456 [ref. 40760]). Current status: Valid as Hemiodus semitaeniatus Kner 1858. Hemiodontidae. Distribution: South America: Brazil, Colombia, Bolivia, Guyana, Paraguay, Peru and Venezuela. Habitat: freshwater.