pierbartus, Pseudoscopelus Spitz [J.], Quéro [J.-C.] & Vayne [J.-J.] 2007:336, Fig. 2 [Cybium v. 31 (no. 3); ref. 29400] Gulf of Gascogne, Northeastern Atlantic, 45°21'N, 3°40'W, depth about 500 meters over 3000 meters. Holotype: MHNLR 2005171. Paratypes: MHNLR 407040001 (1). •Nomen inquirenda and nomen dubium, probably a synonym -- (Prokofiev & Kukuev 2007:122 [ref. 29559]). •Possibly a synonym of Pseudoscopelus sagamianus Tanaka 1908, and possibly available as a subspecies for the Atlantic and Indian Ocean populations. •Valid as Pseudoscopelus pierbartus Spitz, Quéro & Vayne 2007 -- (Melo 2010:30 [ref. 31058]). •Synonym of Pseudoscopelus obtusifrons (Fowler 1934) -- (Prokofiev 2011:708 [ref. 31701]). Current status: Synonym of Pseudoscopelus obtusifrons (Fowler 1934). Chiasmodontidae. Distribution: North Atlantic and western South Atlantic (Brazil) [if valid]. Habitat: marine.