Keys and annotated lists of species of genera Chaetococcus Maskell, Porisaccus Hendricks et Kosztarab and Antonina Signoret from Russia and neighbouring countries are reported. A new species, Antonina evelynae sp. nov., is described from Sochi (Black Sea coast of Russian Caucasus). Lectotypes of Antonina vera Borchsenius and Chaetococcus turanicus Borchsenius are designated.