fragilis, Diaphus Tåning [A. V.] 1928:61 [Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, Kjøbenhavn v. 86; ref. 15877] Northern central Atlantic, 12°11'N, 35°49'W, depth about 350 meters. Lectotype: ZMUC P2329202. Type catalog: Nielsen 1974:35 [ref. 9588]. Lectotype selected by Nafpaktitis 1973:23 [ref. 10436]. •Valid as Diaphus fragilis Tåning 1928 -- (Paxton 1979:9 [ref. 6440], Fujii in Uyeno et al. 1983:180 [ref. 14275], Fujii in Masuda et al. 1984:73 [ref. 6441], Hulley 1986:291 [ref. 5672], Paxton et al. 1989:257 [ref. 12442], Pequeño 1989:37 [ref. 14125], Hulley 1990:411 [ref. 15273], McEachran & Fechhelm 1998:634 [ref. 23897], Fricke 1999:97 [ref. 24106], Paxton & Hulley 1999:1962 [ref. 24748], Nakabo 2000:394 [ref. 25086], Paxton & Hulley in Randall & Lim 2000:593 [ref. 25122], Chen 2002:209 [ref. 26587], Nakabo 2002:394 [ref. 26001], Santos et al. in Menezes et al. 2003:53 [ref. 27192], Hartel & Craddock 2003:950 [ref. 27005], Moore et al. 2003:199 [ref. 27076], Shinohara et al. 2005:411 [ref. 28370], Mundy 2005:215 [ref. 28379], Paxton et al. 2006:514 [ref. 28994], Fricke et al. 2011:361 [ref. 31242], Robertson & Clements 2015:641 [ref. 34257], Pinheiro et al. 2015:8 [ref. 34324], Hulley 2016:1889 [ref. 34576], Motomura et al. 2017:52 [ref. 35490], Fricke et al. 2018:76 [ref. 35805], Sutton et al. 2020:185 [ref. 37832] in subgenus Aethoprora, Eduardo et al. 2021:4 [ref. 38817], Borsa et al. 2022:91 [ref. 40127], Eduardo et al. 2022:8 [ref. 39574], Page et al. 2023:94 [ref. 40505]). Current status: Valid as Diaphus fragilis Tåning 1928. Myctophidae: Diaphinae. Distribution: Circumglobal in tropical and subtropical seas, but not in eastern Pacific. Habitat: marine.