Mahidolia Smith [H. M.] 1932:255 Fem. Mahidolia normani Smith & Koumans 1932. Type by monotypy. The name Rictugobius is mentioned in passing (p. 258), not available. •Synonym of Waitea Jordan & Seale 1906 -- (Maugé 1986:386 [ref. 6218]). •Valid as Mahidolia Smith 1932 -- (Yanagisawa 1978:309 [ref. 7028], Hayashi in Masuda et al. 1984:262 [ref. 6441] as Mahidoria, Hoese 1986:794 [ref. 5670], Birdsong et al. 1988:193 [ref. 7303], Kottelat 1989:19 [ref. 13605], Larson & Murdy 2001:3587 [ref. 26293], Hoese & Larson 2006:1664 [ref. 29097], Thacker 2011:131 [ref. 31731], Shibukawa et al. 2012:56 [ref. 32036], Kottelat 2013:412 [ref. 32989], Motomura et al. 2017:198 [ref. 35490], Fricke et al. 2018:335 [ref. 35805], Allen & Erdmann 2019:79 [ref. 36640], Fricke et al. 2019:287 [ref. 36673], Parenti 2021:198 [ref. 38603]). Current status: Valid as Mahidolia Smith 1932. Gobiidae: Gobiinae.