diencaeus, Eupomacentrus Jordan [D. S.] & Rutter [C. L.] 1897:116 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 49; ref. 10644] Kingston, Jamaica. Lectotype: CAS-SU 4969. Paralectotypes: CAS-SU 14901 [ex CAS-SU 4969] (1). Type catalog: Böhlke 1953:83 [ref. 12291]. Lectotype selected by Greenfield & Woods 1974:10 [ref. 23245]. •Valid as Eupomacentrus diencaeus Jordan & Rutter 1897 -- (Greenfield & Woods 1974:9 [ref. 23245]). •Valid as Pomacentrus diencaeus (Jordan & Rutter 1897) -- (Robins & Ray 1986:199 [ref. 23100], Cervigón 1992:385 [ref. 23827]). •Valid as Stegastes diencaeus (Jordan & Rutter 1897) -- (Robertson & Allen 1981:110 [ref. 36327], Allen 1991:253 [ref. 19344], Schmitter-Soto et al. 2000:163 [ref. 27754], Collette et al. 2003:114 [ref. 26784], Carter & Kaufman 2003:1696 [ref. 27102], Smith et al. 2003:41 [ref. 27621], Nelson et al. 2004:154 [ref. 27807], McEachran & Fechhelm 2005:499 [ref. 28815], Page et al. 2013:159 [ref. 32708], Smith-Vaniz & Jelks 2014:61 [ref. 33341], Robertson et al. 2016:146, 149 [ref. 34961], Robertson et al. 2020:161 [ref. 38098], Escobar-Sierra et al. 2021:81 [ref. 38844], Parenti 2021:82 [ref. 38418], Bennema & van Moorsel 2022:70 [ref. 39585], Page et al. 2023:161 [ref. 40505]). Current status: Valid as Stegastes diencaeus (Jordan & Rutter 1897). Pomacentridae: Microspathodontinae. Distribution: Western Atlantic: southern Florida (U.S.A.), Bahamas and Caribbean Sea. Habitat: marine.