Species that contain: Gobionellus and hastatus [ 2 ] records

gracillimus, Gobionellus Ginsburg [I.] 1953:24 [Journal of the Washington Academy of Sciences v. 43 (no. 1); ref. 1806] Apalachicola Bay, Florida, U.S.A. Holotype: USNM 123227. Paratypes: (13) USNM 53340 (1), 62702 (1), 123224-26 (1, 1, 1), 123228 (2). •Synonym of Gobionellus hastatus Girard 1859 -- (Castro-Aguirre et al. 1999:443 [ref. 24550]). •Synonym of Gobionellus oceanicus (Pallas 1770) -- (Pezold & Grady 1989:662 [ref. 13579], Pezold 2004:293 [ref. 27686]). Current status: Synonym of Gobionellus oceanicus (Pallas 1770). Oxudercidae: Gobionellinae. Habitat: freshwater, brackish, marine.

hastatus, Gobionellus Girard [C. F.] 1858:168 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 10; ref. 1813] St. Joseph Island, Texas, U.S.A. Holotype (unique): USNM 645 (lost). See also Girard 1859:25, Pl. 12 (figs. 7-8) [ref. 13405]. •Synonym of Gobionellus oceanicus (Pallas 1770) -- (Pezold & Grady 1989:662 [ref. 13579]). •Valid as Gobionellus hastatus Girard 1858 -- (Robins & Ray 1986:246 [ref. 23100], Aguilera 1998:52 [ref. 24221], Castro-Aguirre et al. 1999:443 [ref. 24550], Raz-Guzmán et al. 2018:345 [ref. 36407], Page et al. 2023:122 [ref. 40505]). Current status: Valid as Gobionellus hastatus Girard 1858. Oxudercidae: Gobionellinae. Distribution: Western Atlantic: Gulf of Mexico endemic (Texas/U.S.A. and Mexico). Habitat: freshwater, brackish, marine.