calliurus, Gnatholepis Jordan [D. S.] & Seale [A.] 1905:796, Fig. 14 [Proceedings of the United States National Museum v. 28 (no. 1407); ref. 2495] Negros, Philippines. Holotype: USNM 51944 (1 of 3). Paratypes: (4) CAS-SU 9129 (1), USNM 51944 (2 of 3). Type catalog: Koumans 1940:123 [ref. 2676], Böhlke 1953:112 [ref. 12291]. •Synonym of Gnatholepis baliurus (Valenciennes 1837), but genus undetermined -- (Randall & Greenfield 2001:1 [ref. 25675]). •Synonym of Arcygobius baliurus (Valenciennes 1837) -- (Larson & Wright 2003:131 [ref. 27481], Larson & Buckle 2012:5 [ref. 32272], Kottelat 2013:399 [ref. 32989], Parenti 2021:94 [ref. 38603]). Current status: Synonym of Arcygobius baliurus (Valenciennes 1837). Gobiidae: Gobiinae. Habitat: marine.