Halosaurus Johnson [J. Y.] 1864:406 Masc. Halosaurus ovenii Johnson 1864. Type by monotypy. Also appeared in Johnson 1864:74 [ref. 2358]. •Valid as Halosaurus Johnson 1864 -- (McDowell 1973:51 [ref. 24539], Harrisson 1973:254 [ref. 7189], Sulak 1986:197 [ref. 5720], Sulak in Whitehead et al. 1986:596 [ref. 13676], Paxton et al. 1989:147 [ref. 12442], Gomon et al. 1994:216 [ref. 22532], Smith 1999:1626 [ref. 24661], Smith 2003:686 [ref. 26989], Paxton et al. 2006:230 [ref. 28995], Smith 2008:184 [ref. 30621], Pais et al. 2009:33 [ref. 30210], Shelyagin 2010:512 [ref. 31017], Zhang et al. 2010:378 [ref. 31511], Bañón et al. 2016:303 [ref. 34397], Bañón et al. 2016:478 [ref. 34875], Robertson et al. 2017:28 [ref. 35676], Fricke et al. 2018:30 [ref. 35805]). Current status: Valid as Halosaurus Johnson 1864. Halosauridae.