imperator, Xiphias Bloch [M. E.] & Schneider [J. G.] 1801:93, Pl. 21 [M. E. Blochii, Systema Ichthyologiae; ref. 471] Mediterranean Sea. •Synonym of Xiphias gladius Linnaeus 1758 -- (Nakamura 1983:267 [ref. 5371], Nakamura 1985:48 [ref. 20161], Nakamura 1990:997 [ref. 19483]). Current status: Synonym of Xiphias gladius Linnaeus 1758. Xiphiidae. Habitat: marine.