The Caucasus as a major hotspot of biodiversity: Evidence from the millipede family Anthroleucosomatidae (Diplopoda, Chordeumatida) Author Antić, Dragan Ž. Author Makarov, Slobodan E. text Zootaxa 2016 4211 1 1 205 journal article 37322 10.11646/zootaxa.4211.1.1 7af458af-d56d-44e3-a6f7-af97868175d9 1175-5326 272750 6B86C6BA-6AFE-4AAD-870D-04794C138D47 Genus Ratcheuma Golovatch, 1985 Diagnosis. Differs from the other Caucasian anthroleucosomatids by the general shape of the anterior gonopods which are very wide, and by the complete absence of telopodites on the posterior gonopods. Distribution. Georgia. Type species. Ratcheuma excorne Golovatch, 1985 , by original designation.