Arctoscopus Jordan [D. S.] & Evermann [B. W.] 1896:464 Masc. Trichodon japonicus Steindachner 1881. Type by original designation (also monotypic). •Valid as Arctoscopus Jordan & Evermann 1896 -- (Amaoka in Masuda et al. 1984:221 [ref. 6441], Mecklenburg et al. 2002:792 [ref. 25968], Mecklenburg 2003:1 [ref. 27305], Parin 2003:S19 [ref. 28536], Shinohara et al. 2011:54 [ref. 31715], Parin et al. 2014:463 [ref. 33547], Dyldin & Orlov 2017:186 [ref. 35257]). Current status: Valid as Arctoscopus Jordan & Evermann 1896. Trichodontidae.