elongatus, Leiognathus Smith [H. M.] & Pope [T. E. B.] 1906:466, Fig. 2 [Proceedings of the United States National Museum v. 31 (no. 1489); ref. 4058] Kagoshima, Japan. Holotype (unique): USNM 55613. Subjectively invalid; secondarily preoccupied in Leiognathus by Equula elongata Günther 1874, replaced by Macilentichthys popei Whitley 1932. •Synonym of Leiognathus elongatus (Günther 1874) -- (Dunlap & McFall-Ngai 1984:886 [ref. 21845], Jones 1985:581 [ref. 21842]). •Synonym of Equulites elongatus (Günther 1874) -- (Kimura 2009:128 [ref. 30426]). •Synonym of Equulites popei (Whitley 1932) -- (Suzuki & Kimura 2023:17 [ref. 40749]). 2°Homonym. Current status: Synonym of Equulites popei (Whitley 1932). Leiognathidae: Gazzinae. Habitat: marine.