sanctaerosae, Ulvicola Gilbert [C. H.] & Starks [E. C.] in Gilbert 1897:455, Pl. 55 (fig. 2) [Proceedings of the United States National Museum v. 19 (no. 1115); ref. 1629] Santa Rosa Island, California, U.S.A. Holotype (unique): USNM 47579. Type catalog: Springer & Anderson 1997:6 [ref. 22953]. Originally as sanctae-rosae. •Valid as Apodichthys sanctaerosae (Gilbert & Starks 1897) -- (Yatsu 1981:185 [ref. 4814], Yatsu 1985:281 [ref. 5149], Mecklenburg 2003:2 [ref. 27299], Love et al. 2005:149 [ref. 37547]). •Valid as Ulvicola sanctaerosae Gilbert & Starks 1897 -- (Eschmeyer & Herald 1983:257 [ref. 9277], Nelson et al. 2004:160 [ref. 27807], Radchenko et al. 2010:737 [ref. 32451], Page et al. 2013:165 [ref. 32708], Kells et al. 2016:288 [ref. 35888], Burton & Lea 2019:86 [ref. 37205], Love et al. 2021:190 [ref. 39279], Page et al. 2023:215 [ref. 40505]). Current status: Valid as Ulvicola sanctaerosae Gilbert & Starks 1897. Pholidae: Apodichthyinae. Distribution: Northeastern Pacific: central California (U.S.A.) south to Pacific coast of northern Baja California (Mexico), including Guadalupe Island (Mexico). Habitat: marine.