Species that contain: Trifissus and ioturus [ 1 ] records

ioturus, Trifissus Jordan [D. S.] & Snyder [J. O.] 1900:373, Pl. 18 [Proceedings of the United States National Museum v. 23 (no. 1213); ref. 2502] Tokyo Bay, Japan. Holotype: USNM 49403. Paratypes: CAS-SU 6270 (1). Type catalog: Koumans 1940:130-131 [ref. 2676], Böhlke 1953:118 [ref. 12291]. •Synonym of Tridentiger trigonocephalus (Gill 1859) -- (Akihito & Sakamoto 1989:101 [ref. 14124]). Current status: Synonym of Tridentiger trigonocephalus (Gill 1859). Oxudercidae: Gobionellinae. Habitat: freshwater, brackish, marine.