deani, Chimaera Smith [H. M.] & Radcliffe [L.] in Smith 1912:232, Pl. 29 [Proceedings of the United States National Museum v. 42 (no. 1899); ref. 18248] 13°45'15"N, 120°46'30"E, off Sombrero Island, Philippines, Albatross station 5111, depth 236 fathoms. Holotype (unique): USNM 72284. First author is H. M. Smith. •Probably a synonym of Hydrolagus mitsukurii Jordan & Snyder 1904 -- (Didier, pers. comm., 1998). •Synonym of Hydrolagus mitsukurii Jordan & Snyder 1904 -- (Compagno et al. 2005:14 [ref. 29145] with author as Dean). •Valid as Hydrolagus deani (Smith & Radcliffe 1912) -- (Didier 1995:15 [ref. 22713], Compagno 1999:1537 [ref. 24657], Compagno in Randall & Lim 2000:583 [ref. 25122], Iwamoto & McCosker 2014:270 [ref. 33298], Krajangdara et al. 2021:227 [ref. 38473] as cf. deani, Séret & Quod 2023:3 [ref. 40565]). Current status: Valid as Hydrolagus deani (Smith & Radcliffe 1912). Chimaeridae. Distribution: Western Pacific: Philippines. Habitat: marine.