atricaudus, Apogon Jordan [D. S.] & McGregor [E. A.] in Jordan & Evermann 1898:2853 [Bulletin of the United States National Museum No. 47; ref. 2445] Benedicto Island, Socorro Island and Clarian Island, western coast of Mexico. Syntypes: BMNH 1898.10.29.22-25 (4), NMW 34670-74 (5), CAS-SU 5708 (12), USNM 48527 (4). Type catalog: Böhlke 1953:71 [ref. 12291]. Appeared first as above although unintended, with citation to [as yet unpublished] Jordan and McGregor 1898 [published 1899]; Jordan & McGregor 1899:277 [ref. 2488]. •Valid as Apogon atricaudus Jordan & McGregor 1898 -- (Eschmeyer & Herald 1983:202 [ref. 9277], Allen & Robertson 1994:122 [ref. 22193], Allen & Robertson 1997:825 [ref. 41086], De La Cruz Agüero et al. 1997:54 [ref. 24545], Thomson et al. 2000:112 [ref. 25640], Fraser & Randall 2002:26 [ref. 25969], Nelson et al. 2004:138 [ref. 27807], Love et al. 2005:114 [ref. 37547], Béarez & Séret 2009:147 [ref. 36646], Page et al. 2013:142 [ref. 32708], Mabuchi et al. 2014:197 [ref. 33426], Fourriére et al. 2016:445 [ref. 34668], Del Moral-Flores et al. 2016:609 [ref. 34923], Kells et al. 2016:228 [ref. 35888], Piñeros et al. 2018:234 [ref. 36377], Kuiter & Kozawa 2019:28 [ref. 36965], Love et al. 2021:151 [ref. 39279], Lea et al. 2022:107 [ref. 39165], Page et al. 2023:125 [ref. 40505], Vela-Espinosa et al. 2023:7 [ref. 40981]). Current status: Valid as Apogon atricaudus Jordan & McGregor 1898. Apogonidae: Apogoninae. Distribution: Eastern Pacific: Channel Islands (California, U.S.A.) south to Pacific coast of Baja California Sur (Mexico), including southern Gulf of California (Mexico), Guadalupe Island (Mexico), Revillagigedo Islands (Mexico), Clipperton Island (France). Habitat: marine.