triacanthus, Xenochirus Gilbert [C. H.] 1890:91 [Proceedings of the United States National Museum v. 13 (no. 797); ref. 1623] Coast of California, U.S.A., Albatross station 2893, 34°12'30"N, 120°32'30"W, depth 145 fathoms. Lectotype: USNM 43089. Paralectotypes: MCZ 27922 [ex USNM 46601] (1), USNM 43089 (1), 46601 (2), 46606 (1), 125577 (5). Lectotype selected by Leipertz 1985:36 [ref. 5243]. •Valid as Xeneretmus triacanthus (Gilbert 1890) -- (Eschmeyer & Herald 1983:190 [ref. 9277], McAllister 1990:206 [ref. 14674], Kanayama 1991:79 [ref. 19261] with genus as Xenertmus, Sheiko 1993:86 [ref. 21227], Mecklenburg et al. 2002:551 [ref. 25968], Sheiko & Mecklenburg 2004:6 [ref. 27591], Love et al. 2005:99 [ref. 37547], Sheiko & Fedorov 2010:23 [ref. 38118], Page et al. 2013:126 [ref. 32708], Pietsch & Orr 2015:50 [ref. 34694], Kells et al. 2016:206 [ref. 35888], Burton & Lea 2019:70 [ref. 37205], Love et al. 2021:132 [ref. 39279], Page et al. 2023:189 [ref. 40505]). Current status: Valid as Xeneretmus triacanthus (Gilbert 1890). Agonidae: Bathyagoninae. Distribution: Northeastern Pacific: northern British Columbia (Canada) south to Pacific coast of northern Baja California (Mexico). Habitat: marine.