iburius, Ariscopus Jordan [D. S.] & Snyder [J. O.] 1902:479, Fig. 4 [Proceedings of the United States National Museum v. 24 (no. 1263); ref. 2513] Tomakomaki, Iburi, Hokkaido, Japan. Holotype: CAS-SU 6544. Paratypes: (1). •Synonym of Gnathagnus elongatus (Temminck & Schlegel 1843) -- (Pietsch 1989:294 [ref. 12541], Kishimoto 1989:312 [ref. 13562]). •Synonym of Xenocephalus elongatus (Temminck & Schlegel 1843) based on generic placement of elongatus. Current status: Synonym of Xenocephalus elongatus (Temminck & Schlegel 1843). Uranoscopidae. Habitat: marine.