isostigma, Cheilodipterops Schultz [L. P.] 1940:413, Fig. 20b [Proceedings of the United States National Museum v. 88 (no. 3085); ref. 3952] New Guinea. Holotype (unique): USNM 30657. The specific epithet is a noun. •Valid as Cheilodipterus isostigmus (Schultz 1940) -- (Gon 1993:23 [ref. 21133], Allen 1993:16 [ref. 20779], Myers 1999:131 [ref. 23965], Allen 1999:2607 [ref. 24812], Allen in Randall & Lim 2000:614 [ref. 25122], Kimura et al. in Kimura & Matsuura 2003:67 [ref. 27510], Randall et al. 2004:14 [ref. 27624], Randall 2005:198 [ref. 28239], Allen et al. 2006:1100 [ref. 29004], Allen & Erdmann 2012:376 [ref. 31980], Fricke et al. 2014:70 [ref. 33932], Mabuchi et al. 2014:198 [ref. 33426], Allen & Erdmann 2024:400 [ref. 40796]). •Valid as Cheilodipterus isostigma (Schultz 1940) -- (Kuiter 1997:138 [ref. 25488], Allen & Adrim 2003:36 [ref. 26830], Kuiter & Kozawa 2019:63 [ref. 36965], Gloerfelt-Tarp & Kailola 2022:155 [ref. 41223]). Current status: Valid as Cheilodipterus isostigma (Schultz 1940). Apogonidae: Apogoninae. Distribution: Eastern Indian Ocean, western Pacific: Malaysia and Indonesia east to Marshall Islands, north to Philippines, south to Papua New Guinea. Habitat: marine.