Xenochirus Gilbert [C. H.] 1890:90 Masc. Xenochirus triacanthus Gilbert 1890. Type by original designation (also monotypic). Objectively invalid; preoccupied by Xenochirus Gloger 1842 in Mammalia, replaced by Xeneretmus Gilbert 1903. •In the synonymy of Xeneretmus Gilbert 1903 -- (Kanayama 1991:78 [ref. 19261], Sheiko 1993:86 [ref. 21227], Sheiko & Mecklenburg 2004:5 [ref. 27591]). •In the synonymy of Bathyagonus Gilbert 1890. 1°Homonym. Current status: Synonym of Bathyagonus Gilbert 1890. Agonidae: Bathyagoninae.