Species that contain: Dasyatis and akajei [ 2 ] records

akajei, Trygon Bürger [H.] in Müller & Henle 1841:165, [Pl. 54 (left)] [Systematische Beschreibung der Plagiostomen; ref. 3069] Southwestern coast of Japan. Lectotype: RMNH 4255a. Paralectotypes: (5) RMNH D2449-2452 (4, stuffed), D2456 (1, stuffed), 4255b (1). Based on Pastinaca akajei in manuscript by Heinrich Bürger, and 6 specimens. Lectotype selected by Boeseman 1947:227 [ref. 12876]. •Valid as Dasyatis akajei (Bürger 1841) (often seen as Müller & Henle 1841) -- (Nakaya in Masuda et al. 1984:16 [ref. 6441], Zheng et al. 1989:16 [ref. 21202], Nishida 1990:92 [ref. 19783], Nishida & Nakaya 1990:333 [ref. 20166], Kuang in Pan et al. 1991:23 [ref. 23876], Zhu 1995:4 [ref. 25213], Senou & Masuda 1998:7 [ref. 24388], Sokolovskaya et al. 1998:7 [ref. 24670], Last & Compagno 1999:1498 [ref. 24639], Compagno 1999:495 [ref. 25589], Nakabo 2000:182 [ref. 25086], Compagno in Randall & Lim 2000:582 [ref. 25122], Shimizu 2001:19 [ref. 25799], Wang et al. 2001:43 [ref. 26566], Nakabo 2002:182 [ref. 26001], Choi et al. 2003:70, 485 [ref. 26218], Shinohara et al. 2005:398 [ref. 28370], Compagno et al. 2005:70 [ref. 29145] as cf. akajei, Last & White 2008:281 [ref. 29693], Motomura et al. 2010:69 [ref. 31256], Weigmann 2011:254 [ref. 32424], Yamashita et al. 2012:133 [ref. 32408], Last & White 2013:10 [ref. 32949], Ebert et al. 2013:360 [ref. 33045] as cf akajei, Shinohara et al. 2014:235 [ref. 33330], Parin et al. 2014:38 [ref. 33547], Dyldin 2015:73 [ref. 34524], Weigmann 2016:128 [ref. 34211]). •Valid as Hemitrygon akajei (Bürger 1841) -- (Last et al. 2016:355 [ref. 34581], Last et al. 2016:551 [ref. 35010], Kim et al. 2020:47 [ref. 39118], Sonoyama et al. 2020:14 [ref. 37637], Moore et al. 2020:372 [ref. 37677], Dyldin et al. 2022:[8] [ref. 39193], Murase et al. 2023:38 [ref. 40935]). Current status: Valid as Hemitrygon akajei (Bürger 1841). Dasyatidae: Dasyatinae. Distribution: Western Pacific: Malaysia and China north to southern Korea, Russia and Japan. Habitat: marine.

giganteus, Urolophoides Lindberg [G. U.] in Soldatov & Lindberg 1930:26, Fig. 4 [Izvestiia Tikhookeanskogo Nauchno-Issledovatel'skogo Instituta Rybnogo Khoziaistva i Okeanografii [Proceedings, Pacific Research Institute of Fisheries and Oceanography, TINRO, Moskva] v. 5; ref. 4164] Peter the Great Bay, Russia. Holotype (unique): TINRO uncat. (stuffed). •Valid as Dasyatis giganteus (Lindberg 1930) -- (Nishida & Nakaya 1990:340 [ref. 20166]). •Valid as Dasyatis gigantea (Lindberg 1930) -- (Compagno 1999:495 [ref. 25589], Parin et al. 2014:38 [ref. 33547], Weigmann 2016:129 [ref. 34211]). •Synonym of Dasyatis akajei (Müller & Henle 1841) -- (Dyldin 2015:73 [ref. 34524]). •Synonym of Bathytoshia brevicaudata (Hutton 1875) -- (Last & Yearsley 2016:6 [ref. 34940] with question). Current status: Uncertain as Bathytoshia brevicaudata (Hutton 1875). Dasyatidae: Dasyatinae. Habitat: marine.