izuensis, Dasyatis Nishida [K.] & Nakaya [K.] 1988:227, Figs. 1-4 [Japanese Journal of Ichthyology v. 35 (no. 3); ref. 12554] Shimoda Bay, Shizuoka Prefecture, Pacific coast of Japan, 34°40'N, 138°57'E, depth 10 meters. Holotype: HUMZ 109730. Paratypes: HUMZ 105476 (1), 105907 (1), 107444 (1), 109716 (1), 109731 (1), 109732-33 (2). •Valid as Dasyatis izuensis Nishida & Nakaya 1988 -- (Nishida 1990:92 [ref. 19783], Nishida & Nakaya 1990:338 [ref. 20166], Senou & Masuda 1998:6 [ref. 24388], Compagno 1999:495 [ref. 25589], Gomes et al. 2000:514 [ref. 24451], Nakabo 2000:181 [ref. 25086], Nakabo 2002:181 [ref. 26001], Ogihara et al. 2009:63 [ref. 31112], Yamashita et al. 2012:133 [ref. 32408], Weigmann 2016:130 [ref. 34211]). •Valid as Hemitrygon izuensis (Nishida & Nakaya 1988) -- (Last et al. 2016:355 [ref. 34581], Last et al. 2016:554 [ref. 35010], Kim et al. 2020:47 [ref. 39118], Jang & Kim 2021:207 [ref. 38642]). Current status: Valid as Hemitrygon izuensis (Nishida & Nakaya 1988). Dasyatidae: Dasyatinae. Distribution: Northwestern Pacific: Japan and southern Korea. Habitat: marine.