thorectes, Pseudohemiodon Isbrücker [I. J. H.] 1975:87, Figs. 1-2 [Beaufortia v. 23 (no. 300); ref. 7427] West of Río Palacios, tributary of Río Mamoré, Buena Vista, Santa Cruz, Bolivia, 17°28'S, 63°37'W. Holotype (unique): BMNH 1927.10.4.43. Type catalog: Ferraris 2007:288 [ref. 29155]. •Valid as Pseudohemiodon thorectes Isbrücker 1975 -- (Isbrücker 1980:122 [ref. 2303], Burgess 1989:444 [ref. 12860], Isbrücker 2001:32 [ref. 25653], Isbrücker 2002:28 [ref. 27178], Ferraris in Reis et al. 2003:340 [ref. 27061], Ferraris 2007:288 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004], Provenzano et al. 2022:89 [ref. 39207]). Current status: Valid as Pseudohemiodon thorectes Isbrücker 1975. Loricariidae: Loricariinae. Distribution: South America: Mamoré River basin, Bolivia. Habitat: freshwater.