mellis, Eupomacentrus Emery [A. R.] & Burgess [W. E.] 1974:880, Figs. 1, 2A, 4A [Copeia 1974 (no. 4); ref. 7500] 0.2 kilometers southwest of Alligator Reef Light, Florida Keys, U.S.A., depth 7 meters. Holotype: USNM 202179. Paratypes: UF 205436 [ex UMML 5436] (1), 205607 [ex UMML 5607] (1), 207013 [ex UMML 7013] (1), 219715 [ex UMML 19715] (1), 219960 [ex UMML 19960] (2); USNM 202180 (2); plus additional material at ANSP, FMNH, ROM, UMML, UPR, USNM. •Valid as Pomacentrus mellis (Emery & Burgess 1974) -- (Cervigón 1992:385 [ref. 23827]). •Synonym of Stegastes diencaeus (Jordan & Rutter 1897) -- (Robertson & Allen 1981:110 [ref. 36327], Allen 1991:253 [ref. 19344], Parenti 2021:82 [ref. 38418]). Current status: Synonym of Stegastes diencaeus (Jordan & Rutter 1897). Pomacentridae: Microspathodontinae. Habitat: marine.