exile, Siphostoma Osburn [R. C.] & Nichols [J. T.] 1916:153, Fig. 7 [Bulletin of the American Museum of Natural History v. 35 (art. 16); ref. 15062] West San Benito Island, Baja California, Mexico. Holotype: USNM 87543 [ex AMNH 5203]. Paratypes: AMNH 5588 (5). •Valid as Syngnathus exilis (Osburn & Nichols 1916) -- (Fritzsche 1980:204 [ref. 1511], Eschmeyer & Herald 1983:131 [ref. 9277], Dawson 1985:186 [ref. 6541], Nelson et al. 2004:112 [ref. 27807], Love et al. 2005:72 [ref. 37547], Kuiter 2009:256 [ref. 30404], Page et al. 2013:114 [ref. 32708], Hamilton et al. 2016:Supplement 3 [ref. 35615], Kells et al. 2016:124 [ref. 35888], Burton & Lea 2019:56 [ref. 37205], Love et al. 2021:103 [ref. 39279]). •Synonym of Syngnathus californiensis Storer 1845 -- (Garcia et al. 2019:[13] 1011 [ref. 38915]). Current status: Synonym of Syngnathus californiensis Storer 1845. Syngnathidae: Syngnathinae. Distribution: Eastern Pacific: California (U.S.A.) south to Pacific coast of southern Baja California Sur (Mexico) (if valid). Habitat: marine.