achirus, Lampanyctus Andriashev [A. P.] 1962:256, Fig. 27 [Issledovanija fauny morej = Explorations of the fauna of the seas, Rossijskaja Akademija Nauk, Zoologiceskij Institut v. 1 (no. 9); ref. 9192] Pacific Antarctica, 64°36'S, 108°52'W, 1000 meters of wire out. Holotype: ZIN 36111 (124 mm). Paratypes: CAS 15646 (1), ZIN 36635-37 (1, 7, 3). Type catalog: Balushkin & Prirodina 2020:76 [ref. 37828]. •Valid as Nannobrachium achirus (Andriashev 1962) -- (Zahuranec 2000:37 [ref. 24618], Duhamel et al. 2005:216 [ref. 32059], Paxton et al. 2006:527 [ref. 28994], Paxton & Bray 2008:290 [ref. 30633], Robertson & Clements 2015:666 [ref. 34257], Hulley 2016:1918 [ref. 34576]). •Valid as Lampanyctus achirus Andriashev 1962 -- (Paxton 1979:14 [ref. 6440], Hulley 1986:306 [ref. 5672], Paxton et al. 1989:263 [ref. 12442], Pequeño 1989:37 [ref. 14125], Hulley 1990:435 [ref. 15273], Hulley 1990:162 [ref. 21685], Paxton et al. in Fischer et al. 1995:1320 [ref. 22830], Hutchins 2001:20 [ref. 25847], Balushkin & Prirodina 2020:46 [ref. 37828], Sutton et al. 2020:198 [ref. 37832], Koerber 2024:24 [ref. 41215]). Current status: Valid as Lampanyctus achirus Andriashev 1962. Myctophidae: Lampanyctinae. Distribution: Southern circumglobal. Habitat: marine.