macrocauda, Raja Ishiyama [R.] 1955:43, Figs. 1-2 [Journal of the Shimonoseki College of Fisheries v. 4 (no. 1); ref. 12276] Miya fish market, Japan. Holotype: not researched. Paratypes: (23) CAS 23169 (1), 23172 (1). •Valid as Raja macrocauda Ishiyama 1955 -- (Nakaya in Masuda et al. 1984:13 [ref. 6441], Nakaya in Okamura & Kitajima 1984:65, 307 [ref. 8057], Ishihara 1987:278 [ref. 6264], Séret 1989:128 [ref. 12827], Compagno in Randall & Lim 2000:582 [ref. 25122], Shinohara et al. 2001:291 [ref. 25995]). •Valid as Dipturus macrocauda (Ishiyama 1955) -- (McEachran & Dunn 1998:285 [ref. 23312], Jeong 1999:202 [ref. 25171], Compagno 1999:490 [ref. 25589], Nakabo 2000:173 [ref. 25086], Nakabo 2002:173 [ref. 26001], Choi et al. 2003:66, 482 [ref. 26218], Shinohara et al. 2005:398 [ref. 28370], Jeong & Nakabo 2008:189 [ref. 29612], Last & Alava 2013:214 [ref. 33041] as macrocaudus, Hsu et al. 2013:253 [ref. 33043], Ebert et al. 2013:353 [ref. 33045], Shinohara et al. 2014:235 [ref. 33330], Weigmann 2016:109 [ref. 34211] as macrocaudus, Last et al. 2016:21 [ref. 34941] as macrocaudus, Last et al. 2016:263 [ref. 35000] as macrocaudus, Misawa et al. 2022:26 [ref. 39157]). Current status: Valid as Dipturus macrocauda (Ishiyama 1955). Rajidae. Distribution: Northwestern Pacific: Japan, Taiwan and China. Habitat: marine.