trachura, Raia Gilbert [C. H.] 1892:539 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] Off Santa Barbara, California, U.S.A., 32°40'30"N, 117°31'30"W, Albatross station 2923, depth 822 fathoms. Holotype (unique): USNM 46930. •Valid as Bathyraja trachura (Gilbert 1892) -- (Eschmeyer & Herald 1983:51 [ref. 9277], Stehmann 1986:263 [ref. 6151], McAllister 1990:35 [ref. 14674], Castro-Aguirre & Espinosa Pérez 1996:27 [ref. 22793], McEachran & Dunn 1998:286 [ref. 23312], Dolganov 1999:429 [ref. 24873], Compagno 1999:489 [ref. 25589], Sheiko & Fedorov 2000:15 [ref. 25650], Mecklenburg et al. 2002:105 [ref. 25968], Hoff 2002:145 [ref. 26938], Fedorov et al. 2003:20 [ref. 27579], Stevenson et al. 2004:311 [ref. 27688], Love et al. 2005:12 [ref. 37547], Stehmann 2005:S35 [ref. 28647], Stehmann 2005:S53 [ref. 28648], Ruiz-Campos et al. 2010:366 [ref. 37373], Parin et al. 2014:34 [ref. 33547], Dyldin 2015:66 [ref. 34524], Del Moral-Flores et al. 2016:110 [ref. 34398], Weigmann 2016:97 [ref. 34211], Last et al. 2016:27 [ref. 34941], Last et al. 2016:423 [ref. 35005], Ebert et al. 2017:59 [ref. 35618], Dyldin & Orlov 2018:171 [ref. 35920], Ehemann et al. 2018:24 [ref. 36194], Burton & Lea 2019:33 [ref. 37205], Love et al. 2021:26 [ref. 39279], Knuckey & Ebert 2022:46 [ref. 39306] confused with abyssicola in synonymy, Page et al. 2023:46 [ref. 40505], Fricke et al. 2024:93 [ref. 41622]). Current status: Valid as Bathyraja trachura (Gilbert 1892). Arhynchobatidae. Distribution: North Pacific: Sea of Okhotsk and northern Kuril Islands north to western Bering Sea, Commander/Aleutian chain, and eastern Bering Sea and Gulf of Alaska (U.S.A.), then south to north of Isla Guadalupe (Mexico); isolated population in central Gulf of California (Mexico). Habitat: marine.