Mesops Günther [A.] 1862:311 Masc. Geophagus cupido Heckel 1840. Type by subsequent designation. Type designated by Eigenmann & Bray 1894:621 [ref. 1248]. Objectively invalid; preoccupied by Mesops Billberg 1820 in Coleoptera and by Mesops Audinet-Serville 1831 in Orthoptera; replaced by Biotoma Eigenmann & Kennedy 1903. •Synonym of Biotodoma Eigenmann & Kennedy 1903 -- (Kullander 1986:128 [ref. 12439], Kullander in Reis et al. 2003:617 [ref. 27061]). •Synonym of Apistogramma Regan 1913 -- (Staeck 2003:10 [ref. 27488]). 1°Homonym. Current status: Synonym of Biotodoma Eigenmann & Kennedy 1903. Cichlidae: Cichlinae.