haemomyzon, Homodiaetus Myers [G. S.] 1942:98, Fig. 4 [Stanford Ichthyological Bulletin v. 2 (no. 4); ref. 3121] Río Guarico at Calabozo, Venezuela. Holotype: CAS-SU 36500. Paratypes: CAS-SU 36501-02 (2, 1), 36503 (5, now 4); USNM 130632 [ex CAS-SU 36501] (1), 130638 [ex CAS-SU 36503] (1). Type catalog: Böhlke 1953:44 [ref. 12291], Ferraris & Vari 1992:41 [ref. 19771], Ferraris 2007:412 [ref. 29155]. •Valid as Homodiaetus haemomyzon Myers 1942 -- (Burgess 1989:324 [ref. 12860]). •Valid as Pseudostegophilus haemomyzon (Myers 1942) -- (de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:412 [ref. 29155], DoNascimiento 2015:950 [ref. 34078], DoNascimiento et al. 2017:71 [ref. 35633]). Current status: Valid as Pseudostegophilus haemomyzon (Myers 1942). Trichomycteridae: Stegophilinae. Distribution: Orinoco River basin, Venezuela and Colombia. Habitat: freshwater.