matsubarai, Breviraja Ishiyama [R.] 1952:10, Pl. 1; Fig. 3 [Journal of the Shimonoseki College of Fisheries v. 2 (no. 2); ref. 2307] Off Erimo Peninsula, Hokkaido, Japan. Holotype: FAKU 49458 [R. Ishiyama no. 16701]. Paratypes: (17) CAS 23114-15 (1, 1). •Valid as Bathyraja matsubarai (Ishiyama 1952) -- (Nakaya in Amaoka et al. 1983:57, 169, 223, 311 [ref. 8379], Nakaya in Masuda et al. 1984:14 [ref. 6441], Stehmann 1986:263 [ref. 6151], McEachran & Dunn 1998:286 [ref. 23312], Dolganov 1999:429 [ref. 24873], Compagno 1999:488 [ref. 25589], Nakabo 2000:169 [ref. 25086], Sheiko & Fedorov 2000:15 [ref. 25650], Shinohara et al. 2001:290 [ref. 25995], Nakabo 2002:169 [ref. 26001], Orlov 2003:45 [ref. 26942], Fedorov et al. 2003:18 [ref. 27579], Stehmann 2005:S35 [ref. 28647], Stehmann 2005:S53 [ref. 28648], Spies et al. 2011:80 [ref. 31143], Parin et al. 2014:32 [ref. 33547], Dyldin 2015:65 [ref. 34524], Tohkairin et al. 2015:4 [ref. 35331], Weigmann 2016:94 [ref. 34211], Last et al. 2016:26 [ref. 34941], Last et al. 2016:399 [ref. 35005], Dyldin & Orlov 2018:170 [ref. 35920], Dyldin & Orlov 2021:58 [ref. 38158], Love et al. 2021:25 [ref. 39279], Orlov & Volvenko 2022:3 [ref. 39982], Page et al. 2023:45 [ref. 40505]). Current status: Valid as Bathyraja matsubarai (Ishiyama 1952). Arhynchobatidae. Distribution: Northwestern Pacific: northern Japan north to northern Sea of Okhotsk; ?Bering Sea. Habitat: marine.