Xenomystus (subgenus of Notopterus) Günther [A.] 1868:479, 481 Masc. Notopterus nigri Günther 1868. Type by monotypy. Described in key (p. 479) for one species treated on p. 481. •Valid as Xenomystus Günther 1868 -- (Daget 1984:61 [ref. 6170], Paugy & Bénech 1989:299 [ref. 26478], Paugy et al. 1990:336 [ref. 26477], Bigorne in Lévêque et al. 1990:121 [ref. 21589], Roberts 1992:379 [ref. 20012], Poll & Gosse 1995:81 [ref. 24781], Hilton 2003:90 [ref. 26579], Hopkins 2007:213 [ref. 30018]). Current status: Valid as Xenomystus Günther 1868. Notopteridae: Xenomystinae.