scyllium, Triakis Müller [J.] & Henle [F. G. J.] 1839:63, [Pl. 26] [Systematische Beschreibung der Plagiostomen; ref. 3069] Japan. Holotype (unique): RMNH D2578 (dry). As Triakis scyllia in Bigelow & Schroeder 1948:236 [ref. 16817]; Triakis is feminine but scyllium is a noun in apposition and therefore does not change its ending. •Valid as Triakis scyllium Müller & Henle 1839 -- (Compagno 1984:432 [ref. 6846], Nakaya in Masuda et al. 1984:5 [ref. 6441] as scyllia, Gubanov & Timoxin 1989:222 [ref. 36138] as scyllia, Cheng & Zhou 1997:27 [ref. 26385] dated 1841, Senou & Masuda 1998:5 [ref. 24388], Sokolovskaya et al. 1998:7 [ref. 24670], Compagno 1999:482 [ref. 25589], Nakabo 2000:134 [ref. 25086], Compagno in Randall & Lim 2000:579 [ref. 25122], Shimizu 2001:19 [ref. 25799], Wang et al. 2001:29 [ref. 26566] dated 1841, Nakabo 2002:134 [ref. 26001], Choi et al. 2003:52, 472 [ref. 26218], Compagno et al. 2005:33 [ref. 29145] with question, Ebert et al. 2013:326 [ref. 33045], Parin et al. 2014:22 [ref. 33547], Dyldin 2015:52 [ref. 34524], Weigmann 2016:50 [ref. 34211], Dyldin & Orlov 2018:164 [ref. 35920], Kim et al. 2020:39 [ref. 39118], Sonoyama et al. 2020:9 [ref. 37637], Dyldin et al. 2021:15 [ref. 38804] with question, Dyldin & Orlov 2021:55 [ref. 38158], Dyldin et al. 2022:[6] [ref. 39193]). Current status: Valid as Triakis scyllium Müller & Henle 1839. Triakidae: Triakinae. Distribution: Northwestern Pacific. Habitat: brackish, marine.