japonica, Squatina Bleeker [P.] 1858:40 [Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 3 (art. 10); ref. 360] Nagasaki, Japan. Holotype (unique): RMNH 7416 (largest of 2 specimens). •Valid as Squatina japonica Bleeker 1858 -- (Compagno 1984:147 [ref. 6474], Nakaya & Shirai in Masuda et al. 1984:11 [ref. 6441], Cheng & Zhou 1997:41 [ref. 26385], Compagno & Niem 1998:1237 [ref. 23787], Senou & Masuda 1998:5 [ref. 24388], Sokolovskaya et al. 1998:7 [ref. 24670], Compagno 1999:475 [ref. 25589], Nakabo 2000:157 [ref. 25086], Compagno in Randall & Lim 2000:581 [ref. 25122], Shinohara et al. 2001:290 [ref. 25995], Nakabo 2002:157 [ref. 26001], Choi et al. 2003:62, 479 [ref. 26218], Compagno et al. 2005:56 [ref. 29145], Walsh & Ebert 2007:40 [ref. 29245], Kriwet et al. 2010:120 [ref. 30825], Walsh 2011:58 [ref. 31151], Yamashita et al. 2012:127 [ref. 32408], Theiss & Ebert 2013:83 [ref. 33034], Ebert et al. 2013:300 [ref. 33045], Shinohara et al. 2014:234 [ref. 33330], Parin et al. 2014:28 [ref. 33547], Dyldin 2015:58 [ref. 34524], Weigmann 2016:70 [ref. 34211], Acero P. et al. 2016:583 [ref. 34531], Kim et al. 2020:43 [ref. 39118], Sonoyama et al. 2020:11 [ref. 37637], Long et al. 2021:126 [ref. 38922], Hashimoto et al. 2022:50 [ref. 39889]). Current status: Valid as Squatina japonica Bleeker 1858. Squatinidae. Distribution: Northwestern Pacific: Ryukyu Islands (Japan) north to Sea of Japan (Korea, Japan, Russia) and Pacific coast of Japan. Habitat: marine.