Species that contain: Trichomycterus and kneri [ 2 ] records

eigenmanni, Trichomycterus Boulenger [G. A.] 1898:8 [Bollettino dei Musei di Zoologia ed Anatomia Comparata della R. Università di Torino v. 13 (no. 329); ref. 14677] Cumbaca [unknown], Brazil. Holotype: MCZ 8301. Type catalog: Ferraris 2007:423 [ref. 29155]. New name for Pygidium kneri of Eigenmann 1889 (not of Steindachner). •Valid as Trichomycterus eigenmanni Boulenger 1898 -- (Ortega & Vari 1986:15 [ref. 9708], Burgess 1989:322 [ref. 12860]). •Synonym of Trichomycterus rivulatus Valenciennes 1846 -- (Burgess 1989:323 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:284 [ref. 27061], Ferraris 2007:423 [ref. 29155], DoNascimiento et al. 2014:726 [ref. 33632]). Current status: Synonym of Trichomycterus rivulatus Valenciennes 1846. Trichomycteridae: Trichomycterinae. Habitat: freshwater.

knerii, Trichomycterus Steindachner [F.] 1882:142 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 19 (no. 16) (for 22 June 1882); ref. 20485] Canelos, eastern Ecuador. Syntypes: (several) NMW 43328 (1). Type catalog: Ferraris 2007:419 [ref. 29155]. Species later illustrated and described in more detail in Steindachner 1882:81 [p. 21 in separate], Pl. 5 (figs. 1-1a) [ref. 4233]. •Valid as Trichomycterus knerii Steindachner 1882 -- (Ovchynnyk 1967:36 [ref. 37559] as kneri, Burgess 1989:322 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:282 [ref. 27061], Ferraris 2007:419 [ref. 29155], Barriga Salazar 2014:111 [ref. 35745], DoNascimiento et al. 2017:69 [ref. 35633], Vilardo et al. 2023:4 [ref. 40643] as "Trichomycterus" knerii). Current status: Valid as Trichomycterus knerii Steindachner 1882. Trichomycteridae: Trichomycterinae. Distribution: South America: Orinoco River basin (Colombia and Ecuador). Habitat: freshwater.