luetkenii, Acanthochaenus Gill [T. N.] 1884:433 [American Naturalist v. 18 (no. 4); ref. 1728] Western North Atlantic, east of New Jersey, U.S.A., 39°29'00"N, 70°58'40"W [not 37°12'N, 69°39'W], Albatross station 2095, depth 1342 fathoms. Lectotype: USNM 33555. Paralectotypes: unconfirmed at USNM. Lectotype selected by Myers 1936:118 [ref. 23293]. •Valid as Acanthochaenus luetkenii Gill 1884 -- (Maul 1990:611 [ref. 17237] as lutkeni, Schwartz 1990:51 [ref. 19105] as lütkenii, Nielsen 1973:347 [ref. 6885] as lutkeni, Maul in Whitehead et al. 1986:766 [ref. 13676] as lutkeni, Heemstra 1986:431 [ref. 5660] as lutkenii, Kotlyar 1993:196 [ref. 21209] as luetkenii, Santos et al. 1997:70 [ref. 23531] as lutkeni, Arruda 1997:78 [ref. 24952] as lutkeni, Moore 2003:1167 [ref. 27002] as luetkenii, Moore et al. 2003:218 [ref. 27076] as luetkenii, Kotlyar 2004:1 [ref. 27588] as luetkenii, Mincarone et al. 2014:1555 [ref. 33546] as leutkenii, Stewart 2015:993 [ref. 34254], Moore 2016:2168 [ref. 34570], Carneiro et al. 2019:153 [ref. 37250], Afonso et al. 2021:483 [ref. 38384], Fermon et al. 2022:203 [ref. 39448] with question). Current status: Valid as Acanthochaenus luetkenii Gill 1884. Stephanoberycidae. Distribution: North Atlantic; South Atlantic and Indian oceans off South Africa; southern Indian Ocean from Madagascar ridge to Australia; and southern Pacific (38°48’S, 175°54’W). Habitat: marine.