japanicus, Galeus Müller [J.] & Henle [F. G. J.] 1839:58, [Pl. 22] [Systematische Beschreibung der Plagiostomen; ref. 3069] Japan. Holotype (unique): RMNH (dry). •Valid as Hemitriakis japanica (Müller & Henle 1839) -- (Compagno 1984:391 [ref. 6846], Nakaya in Okamura & Kitajima 1984:49, 299 [ref. 8057], Compagno & Stevens 1993:197 [ref. 20845], Yokogawa & Yamaguchi 1997:2 [ref. 24376], Compagno & Niem 1998:1301 [ref. 23787], Compagno 1999:481 [ref. 25589], Nakabo 2000:134 [ref. 25086], Compagno in Randall & Lim 2000:579 [ref. 25122], Nakabo 2002:134 [ref. 26001], Choi et al. 2003:52, 471 [ref. 26218], Takahashi & Nakaya 2004:254 [ref. 28004], Shinohara et al. 2005:393 [ref. 28370] as japonica, Compagno et al. 2005:30 [ref. 29145] as cf. Japonica, White et al. 2009:56 [ref. 30195], Fricke et al. 2011:345 [ref. 31242], Yamashita et al. 2012:123 [ref. 32408], Ebert et al. 2013:323 [ref. 33045], Dyldin 2015:51 [ref. 34524], Weigmann 2016:46 [ref. 34211], Sonoyama et al. 2020:9 [ref. 37637]). Current status: Valid as Hemitriakis japanica (Müller & Henle 1839). Triakidae: Galeorhininae. Distribution: Western Pacific: China and Taiwan north to Korea and Japan; Chesterfield Islands (New Caledonia). Habitat: marine.