callopterus, Symphurus Munroe [T. A.] & Mahadeva [M. N.] 1989:460, Figs. 1-2 [Proceedings of the Biological Society of Washington v. 102 (no. 2); ref. 17699] Peru, 5°59'S, 81°12'W to 5°58'S, 81°11'W, depth 65-70 meters. Holotype: CAS 64023. Paratypes: BMNH 1956.3.1.3-4 (2); CAS 24189 (11); LACM 33827-55 (4); SIO 63-518 (9), 63-521 (2); UF 47590 (1), 226069 [ex UMML 26069] (33), 234317 [ex UMML 34317] (2); USNM 164492 (2); plus additional non-type specimens. •Valid as Symphurus callopterus Munroe & Mahadeva 1989 -- (Bussing & López S. 1994:148 [ref. 23101], Munroe et al. in Fischer et al. 1995:1045 [ref. 22829], Evseenko 1996:727 [ref. 24666], De La Cruz Agüero et al. 1997:116 [ref. 24545], Evseenko 1998:61 [ref. 23643], Chirichigno F. & Vélez D. 1998:218 [ref. 24555], Evseenko & Shtaut 2000:801 [ref. 25089], Nelson et al. 2004:182 [ref. 27807], Love et al. 2005:178 [ref. 37547], Munroe & Robertson 2005:580 [ref. 28389], Page et al. 2013:188 [ref. 32708], Love et al. 2021:222 [ref. 39279], Page et al. 2023:135 [ref. 40505]). Current status: Valid as Symphurus callopterus Munroe & Mahadeva 1989. Cynoglossidae: Symphurinae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to northern Peru, including southern Gulf of California (Mexico). Habitat: marine.