melanacrum, Diagramma Johnson [J. W.] & Randall [J. E.] in Johnson, Randall & Chenoweth 2001:659, Figs. 1 (A-F) [Memoirs of the Queensland Museum v. 46 (pt 2); ref. 25576] South of Lombok, 8°24'S, 116°01'E, Indonesia. Holotype: QM I.20291. Paratypes: BPBM 26719 (2); QM I.20285 (1), I.30725 (1). •Valid as Diagramma melanacrum Johnson & Randall 2001 -- (Allen & Adrim 2003:40 [ref. 26830], Allen et al. 2006:1219 [ref. 29090], Allen & Erdmann 2012:470 [ref. 31980] as melanacra, Fricke et al. 2019:162 [ref. 36673], Parenti 2019:175 [ref. 37021], Moore et al. 2020:110 [ref. 37357], Psomadakis et al. 2020:465 [ref. 37272], Gloerfelt-Tarp & Kailola 2022:207 [ref. 41223], Allen & Erdmann 2024:498 [ref. 40796]). Current status: Valid as Diagramma melanacrum Johnson & Randall 2001. Haemulidae: Plectorhinchinae. Distribution: Eastern Indian Ocean, western Pacific: Myanmar, Malaysia and Indonesia east to Philippines and New Ireland (Papua New Guinea), south to Western Australia. Habitat: marine.