planifrons, Apogon Longley [W. H.] & Hildebrand [S. F.] 1940:232, Fig. 5 [Papers Tortugas Laboratory, Carnegie Institution of Washington v. 32; ref. 2822] Tortugas, Florida, U.S.A. Holotype: USNM 107326. Paratypes: USNM 108887 (1). •Valid as Apogon planifrons Longley & Hildebrand 1940 -- (Robins & Ray 1986:151 [ref. 23100], Guimarães 1996:61 [ref. 22514], Smith-Vaniz et al. 1999:225 [ref. 25013], Schmitter-Soto et al. 2000:158 [ref. 27754], Fraser & Randall 2002:26 [ref. 25969], Collette et al. 2003:108 [ref. 26784], Gon 2003:1390 [ref. 27085], Moura & Menezes in Menezes et al. 2003:78 [ref. 27192], Smith et al. 2003:28 [ref. 27621], Nelson et al. 2004:138 [ref. 27807], McEachran & Fechhelm 2005:225 [ref. 28815], Baldwin et al. 2011:11 [ref. 31688], Page et al. 2013:143 [ref. 32708], Smith-Vaniz & Jelks 2014:45 [ref. 33341], Mabuchi et al. 2014:197 [ref. 33426], Lins Oliveira et al. 2015:157 [ref. 37485], Pinheiro et al. 2015:16 [ref. 34324], Kuiter & Kozawa 2019:26 [ref. 36965], Robertson et al. 2020:150 [ref. 38098], Bennema & van Moorsel 2022:72 [ref. 39585], Carvalho-Filho 2023:130 [ref. 40480]). Current status: Valid as Apogon planifrons Longley & Hildebrand 1940. Apogonidae: Apogoninae. Distribution: Western Atlantic: Bermuda and North Carolina (U.S.A.) south to São Paulo (Brazil), including Gulf of Mexico and Caribbean Sea. Habitat: marine.