Arctozenus Gill [T. N.] 1864:188 Masc. Paralepis borealis Krøyer in Gaimard 1842 - 1856. Type by original designation (also monotypic). Post 1973:208 suggests in his synonymy that this genus is based on a misidentified type species, with Gill referring to borealis of Krøyer 1847 [ref. 18438] in Gaimard [ref. 1523] (not of Reinhardt 1837). Misspelled Actozenus in Zoological Record for 1864. •Valid as Arctozenus Gill 1864 -- (Post 1973:208 [ref. 7182], Post 1987:79 [ref. 6225], Post 1990:138 [ref. 21683], Paxton & Niem 1999:1949 [ref. 24746], Sato & Nakabo 2002:44 [ref. 25953], Mecklenburg et al. 2002:238 [ref. 25968], Thompson 2003:934 [ref. 27003], Castellanos-Galindo et al. 2006:260 [ref. 28944], Paxton et al. 2006:491 [ref. 28995], Lipej & Dulčić 2010:24 [ref. 36649], Mecklenburg et al. 2011:119 [ref. 31212], Parin et al. 2014:152 [ref. 33547], Stewart 2015:584 [ref. 34254], Pietsch & Orr 2015:24 [ref. 34694], Bañón et al. 2016:310 [ref. 34397], Fricke et al. 2018:73 [ref. 35805], Ho & Duhamel 2019:497 [ref. 36885]). Current status: Valid as Arctozenus Gill 1864. Paralepididae.