nicholsi, Platyglossus Jordan [D. S.] & Gilbert [C. H.] 1882:231 [Proceedings of the United States National Museum v. 4 (no. 221); ref. 18348] Braithwaite Bay, Socorro Island, Revillagigedo Islands, off western Mexico. Holotype (unique): USNM 28218 (not found in 1980). •Valid as Iridio nicholsi (Jordan & Gilbert 1882) -- (Kuiter 2010:219 [ref. 35285]). •Valid as Halichoeres nicholsi (Jordan & Gilbert 1882) -- (Bussing 1987:96 [ref. 21800], Allen & Robertson 1994:202 [ref. 22193], Gomon in Fischer et al. 1995:1215 [ref. 22830], De La Cruz Agüero et al. 1997:198 [ref. 24545], Grove & Lavenberg 1997:492 [ref. 24023], Parenti & Randall 2000:22 [ref. 24943], Thomson et al. 2000:177 [ref. 25640], Victor et al. 2001:282 [ref. 25613], Baldwin & McCosker 2001:93 [ref. 25779], Nelson et al. 2004:155 [ref. 27807], Barber & Bellwood 2005:249 [ref. 35318], Love et al. 2005:136 [ref. 37547], Rocha et al. 2010:28 [ref. 30767], McCosker & Rosenblatt 2010:193 [ref. 30957], Page et al. 2013:160 [ref. 32708], Galván-Villa et al. 2016:148 [ref. 34871], Fourriére et al. 2016:448 [ref. 34668], Del Moral-Flores et al. 2016:610 [ref. 34923], Wainwright et al. 2017:37 [ref. 35725], Love et al. 2021:177 [ref. 39279], Vela-Espinosa et al. 2023:9 [ref. 40981]). Current status: Valid as Halichoeres nicholsi (Jordan & Gilbert 1882). Labridae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Ecuador, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). Habitat: marine.