laevigatus, Dasyatis Chu [Y.-T.] 1960:170, Figs. 160-162 [Cartilaginous fishes of China; ref. 21272] Shanghai fish market, Dongfushan, and Huaniao, China. Not given. Syntypes: 154,103-8 (2-4. 6-8) (5). Specific name laevigatus is an adjective. •Valid as Dasyatis laevigatus Chu 1960 -- (Nishida & Nakaya 1990:338 [ref. 20166], Cheng & Zhou 1997:51 [ref. 26385], Nakabo 2000:182 [ref. 25086]). •Valid as Dasyatis laevigata Chu 1960 -- (Compagno 1999:495 [ref. 25589], Compagno in Randall & Lim 2000:582 [ref. 25122], Nakabo 2002:182 [ref. 26001], Weigmann 2016:130 [ref. 34211]). •Valid as Hemitrygon laevigata (Chu 1960) -- (Last et al. 2016:355 [ref. 34581], Last et al. 2016:555 [ref. 35010], Sonoyama et al. 2020:14 [ref. 37637]). Current status: Valid as Hemitrygon laevigata (Chu 1960). Dasyatidae: Dasyatinae. Distribution: Northwestern Pacific: Taiwan north to Japan. Habitat: brackish, marine.