caucasicus, Barbus Kessler [K. F.] 1877:102 [The Aralo-Caspian Expedition; ref. 2597] Kura-Araks River system, Azerbaijan. Syntypes: (30) ZIN 2929 (6, lost), 2930 (12). Non-types: ZIN 2913 (3). •Synonym of Barbus lacerta Heckel 1843, subspecies cyri De Filippi 1865 -- (Berg 1949:693 [ref. 20661]). •Synonym of Barbus lacerta Heckel 1843 -- (Coad 1995:12 [ref. 23608], Bogutskaya in Bănărescu & Bogutskaya 2003:251 [ref. 27353]). •Synonym of Barbus cyri De Filippi 1865 -- (Khaefi et al. 2017:96 [ref. 35344], Jouladeh-Roudbar et al. 2020:33 [ref. 37983], Çiçek et al. 2024:147 [ref. 40789]). Current status: Synonym of Barbus cyri De Filippi 1865. Cyprinidae: Barbinae. Habitat: freshwater.