dubius, Ammodytes Reinhardt [J. C. H.] 1837:116, 131 [34, 49] [Det Kongelige Danske videnskabernes selskabs naturvidenskabelige og mathematiske afhandlinger v. 7; ref. 3691] Greenland. Syntypes: ZMUC 82 (1). Type catalog: Nielsen 1974:70 [ref. 9588] and as remaining type material cannot be located. On pp. 34 & 49 of separate. Reinhardt refers to Fauna Groenlandica Nr. 98 (Fabricius 1780:140-141 [ref. 17464]), which is Ammodytes tobianus in that work. •Valid as Ammodytes dubius Reinhardt 1837 -- (Robins & Ray 1986:238 [ref. 23100], Scott & Scott 1988:440 [ref. 25518], McAllister 1990:175 [ref. 14674], Nizinski et al. 1990:249 [ref. 16687], Nizinski in Collette & Klein-MacPhee 2002:502 [ref. 26158], Nelson et al. 2004:161 [ref. 27807], Møller et al. 2010:68 [ref. 31169], Mecklenburg et al. 2011:131 [ref. 31212], Page et al. 2013:166 [ref. 32708], Turanov & Kartavtsev 2014:451 [ref. 34455], Orr et al. 2015:155 [ref. 33719], Afonso et al. 2016:72, 83 [ref. 36199], Mecklenburg et al. 2018:412 [ref. 36370], Love et al. 2021:193 [ref. 39279], Simian et al. 2022:376 [ref. 40776], Page et al. 2023:175 [ref. 40505]). Current status: Valid as Ammodytes dubius Reinhardt 1837. Ammodytidae. Distribution: Western Atlantic Ocean and adjacent Arctic Ocean. Habitat: marine.