dimidiatus, Heliastes Klunzinger [C. B.] 1871:529 [Verhandlungen der K.-K. zoologisch-botanischen Gesellschaft in Wien v. 21; ref. 2622] Al-Qusair, Red Sea Governorate, Egypt, Red Sea. Holotype (unique): SMNS 1765. Type catalog: Fricke 1992:16 [ref. 20296], Fricke 2005:55 [ref. 29864]. Original genus should have been Heliases. Some earlier references refer to Chromis fieldi. •Valid as Chromis dimidiata (Klunzinger 1871) -- (Dor 1984:181 [ref. 29757], Allen 1986:674 [ref. 5631], Winterbottom et al. 1989:45 [ref. 13251], Allen 1991:239 [ref. 19344], Goren & Dor 1994:49 [ref. 25356], Randall 1995:260 [ref. 22896], Randall & Kunzmann 1998:481 [ref. 23919], Fricke 1999:371 [ref. 24106], Allen 2000:90 [ref. 37268], Allen 2001:3343 [ref. 26132], Allen & Adrim 2003:45 [ref. 26830] as dimidata, Manilo & Bogorodsky 2003:S113 [ref. 27377], Heemstra et al. 2004:3324 [ref. 27945], Heemstra & Heemstra 2004:332 [ref. 28072], Randall 2005:358 [ref. 28239], Fricke et al. 2009:78 [ref. 30213], Shibukawa 2009:205 [ref. 30449], Quéro et al. 2010:326 [ref. 30746], Allen & Erdmann 2012:579 [ref. 31980], Randall & DiBattista 2013:11 [ref. 32432], Fricke et al. 2013:264 [ref. 32706], DiBattista et al. 2015:20 [ref. 35706], Bogorodsky & Randall 2018:[5] 243 [ref. 36492], Golani & Fricke 2018:113 [ref. 36273], Dalleau-Coudert et al. 2019:134 [ref. 40104], Durville et al. 2021:313 [ref. 38802], Parenti 2021:52 [ref. 38418], Allen 2022:134 [ref. 39911]). •Valid as Pycnochromis dimidiatus (Klunzinger 1871) -- (Tang et al. 2021:271 [ref. 38308]). Current status: Valid as Pycnochromis dimidiatus (Klunzinger 1871). Pomacentridae: Chrominae. Distribution: Red Sea endemic. Previous Indian Ocean records are based on Pycnochromis fieldi (Randall & DiBattista 2013). Habitat: marine.