Nanochromis Pellegrin [J.] 1904:(163) 273 Masc. Pseudoplesiops nudiceps Boulenger 1899. Type by being a replacement name. Replacement for Pseudoplesiops Boulenger 1899, preoccupied by Pseudoplesiops Bleeker 1858 in fishes. Unjustifiably emended to Nannochromis by Boulenger 1915:375 [ref. 584]. •Valid as Nanochromis Pellegrin 1904 -- (Stewart & Roberts 1984 [ref. 6480], Greenwood 1987:180 [ref. 6166], Daget 1991:270 [ref. 20947], Poll & Gosse 1995:271 [ref. 24781], Lamboj 2005:1 [ref. 28062], Schliewen & Stiassny 2006:33 [ref. 28629], Lamboj & Schelly 2006:247 [ref. 28845], Stiassny & Schliewen 2007:3 [ref. 29178], Lamboj 2009:47 [ref. 30314]). Current status: Valid as Nanochromis Pellegrin 1904. Cichlidae: Pseudocrenilabrinae.