Xyelacyba Cohen [D. M.] 1961:288 Fem. Xyelacyba myersi Cohen 1961. Type by original designation (also monotypic). •Valid as Xyelacyba Cohen 1961 -- (Cohen & Nielsen 1978:20 [ref. 881], Machida 1989 [ref. 12579], Nielsen & Cohen in Nielsen et al. 1999:49, 93 [ref. 24448], Nielsen 1999:1981 [ref. 24753], Nielsen & Robins 2003:969 [ref. 27008], Hoese et al. 2006:566 [ref. 29051], Mincarone et al. 2008:55 [ref. 29626], Carnevale & Johnson 2015:778 [ref. 34391], Wong & Chen 2024:10 [ref. 41401] in Acanthonidae). •Synonym of Acanthonus Günther 1878 -- (Girard et al. 2024:31 [ref. 41338]). Current status: Synonym of Acanthonus Günther 1878. Acanthonidae.