nigripinnis, Bathyagonus Gilbert [C. H.] 1890:89 [Proceedings of the United States National Museum v. 13 (no. 797); ref. 1623] Coast of Washington, U.S.A., Albatross station 3073, 47°28'00"N, 125°15'00"W, depth 477 fathoms. Syntypes: ?BMNH 1900.9.29.221 (1); CAS-SU 2530 (3); MCZ 27921 [ex USNM 46613] (1); USNM 43088 (1), 46613 (3). Type catalog: Böhlke 1953:133 [ref. 12291]. •Valid as Bathyagonus nigripinnis Gilbert 1890 -- (Eschmeyer & Herald 1983:187 [ref. 9277], McAllister 1990:205 [ref. 14674], Kanayama 1991:66 [ref. 19261], Sheiko 1993:73 [ref. 21227], Busby 1998:37 [ref. 25508], Imamura & Kitagawa 1999:105 [ref. 24208], Nakabo 2000:656 [ref. 25086], Sheiko & Fedorov 2000:30 [ref. 25650], Mecklenburg et al. 2002:545 [ref. 25968], Nakabo 2002:656 [ref. 26001], Parin et al. 2002:S96 [ref. 28300], Sheiko & Mecklenburg 2004:5 [ref. 27591], Nelson et al. 2004:122 [ref. 27807], Love et al. 2005:96 [ref. 37547], Sheiko & Fedorov 2010:20 [ref. 38118], Page et al. 2013:126 [ref. 32708], Parin et al. 2014:286 [ref. 33547], Pietsch & Orr 2015:48 [ref. 34694], Kells et al. 2016:200 [ref. 35888], Love et al. 2021:128 [ref. 39279]). Current status: Valid as Bathyagonus nigripinnis Gilbert 1890. Agonidae: Bathyagoninae. Distribution: North Pacific: northern Japan and northern Kuril Islands north to northern Bering Sea, then south to northern California (U.S.A.). Habitat: marine.