asper, Auchenopterus Jenkins [O. P.] & Evermann [B. W.] 1889:154 [Proceedings of the United States National Museum v. 11 (no. 698); ref. 2342] Guaymas, Sonora, western Mexico. Holotype: USNM 39643. Paratypes: (5) CAS 79641 [ex IU 7769] (1). Type catalog: Springer & Orrell 1996:16 [ref. 22274]. •Valid as Exerpes asper (Jenkins & Evermann 1889) -- (Allen & Robertson 1994:227 [ref. 22193], Hastings in Fischer et al. 1995:1014 [ref. 22829], De La Cruz Agüero et al. 1997:202 [ref. 24545], Thomson et al. 2000:216 [ref. 25640], Nelson et al. 2004:162 [ref. 27807], Love et al. 2005:154 [ref. 37547], Patzner et al. 2009:462 [ref. 30396], Hastings & Springer 2009:10 [ref. 31156], Page et al. 2013:169 [ref. 32708]). •Valid as Paraclinus asper (Jenkins and Evermann 1889) -- (Lin & Hastings 2013:3 [ref. 33286], Love et al. 2021:198 [ref. 39279], Page et al. 2023:154 [ref. 40505]). Current status: Valid as Paraclinus asper (Jenkins & Evermann 1889). Labrisomidae. Distribution: Eastern Pacific: Pacific coast of central to southern Baja California (Mexico), and Gulf of California (Mexico). Habitat: marine.