gigas, Raja (Tengujei) Ishiyama [R.] 1958:386 [194], Figs. 84 W, 86 [Journal of the Shimonoseki College of Fisheries v. 7 (nos 2-3); ref. 2308] Off Aichi Prefecture, Kumano-nada, Japan. Holotype: not researched. Paratypes: (20 specimens, 2 egg capsules) CAS 23173 (1), MCZ 40292 (1). •Valid as Raja gigas Ishiyama 1958 -- (Nakaya in Okamura et al. 1982:55, 314 [ref. 8256], Nakaya in Masuda et al. 1984:13 [ref. 6441], Nakaya in Okamura & Kitajima 1984:67, 308 [ref. 8057], Ishihara 1987:278 [ref. 6264], Séret 1989:128 [ref. 12827], Compagno et al. 1999:1407 [ref. 24636], Last & Compagno 1999:1454 [ref. 24639], Nakabo 2000:172 [ref. 25086], Compagno in Randall & Lim 2000:582 [ref. 25122], Shinohara et al. 2001:291 [ref. 25995]). •Valid as Dipturus gigas (Ishiyama 1958) -- (McEachran & Dunn 1998:285 [ref. 23312], Compagno 1999:490 [ref. 25589], Nakabo 2002:172 [ref. 26001], Shinohara et al. 2005:397 [ref. 28370], Compagno et al. 2005:66 [ref. 29145], Jeong & Nakabo 2008:183 [ref. 29612], Séret & Last 2008:107 [ref. 29649], Last & Alava 2013:214 [ref. 33041], Hsu et al. 2013:253 [ref. 33043], Ebert et al. 2013:352 [ref. 33045], Motomura et al. 2015:12 [ref. 34709], Weigmann 2016:108 [ref. 34211], Last et al. 2016:21 [ref. 34941], Last et al. 2016:253 [ref. 35000]). Current status: Valid as Dipturus gigas (Ishiyama 1958). Rajidae. Distribution: Western Pacific: Japan to Philippines. Habitat: marine.