Review of the genus Caucaseuma Strasser, 1970, with the description of a new cavernicolous species from the Western Caucasus and an updated key and distribution (Diplopoda, Chordeumatida, Anthroleucosomatidae) Author Antić, Dragan B5FACDD3-ACCA-4050-8118-80EBD2BB942F University of Belgrade - Faculty of Biology, Institute of Zoology, Studentski Trg 16, 11000 Belgrade, Serbia. & Serbian Biospeleological Society, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia. dragan.antic@bio.bg.ac.rs Author Makarov, Slobodan 7F5C25A5-615E-427B-B4FC-DB1A0EE1B534 University of Belgrade - Faculty of Biology, Institute of Zoology, Studentski Trg 16, 11000 Belgrade, Serbia. & Serbian Biospeleological Society, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia. slobodan@bio.bg.ac.rs text European Journal of Taxonomy 2022 2022-05-13 819 1 90 107 http://zoobank.org/6a4196e6-945d-46d1-8e92-f39ecac2c88d journal article 55462 10.5852/ejt.2022.819.1783 efe927ec-d5d7-4236-893a-5a31b0d73883 2118-9773 6564615 6A4196E6-945D-46D1-8E92-F39ECAC2C88D Genus Caucaseuma Strasser, 1970 Caucaseuma Strasser, 1970: 199 . Caucaseuma Antić & Makarov 2016: 28 . Type species Caucaseuma lohmanderi Strasser, 1970 , by original designation. Other included species Caucaseuma elephantum Antić & Makarov, 2016 Caucaseuma fanagoriyskaya Antić & Makarov, 2016 Caucaseuma glabroscutum Antić & Makarov, 2016 Caucaseuma kelasuri Antić & Makarov, 2016 Caucaseuma minellii Antić & Makarov, 2016 Caucaseuma strasseri Antić sp. nov. Caucaseuma variabile Antić & Makarov, 2016 Diagnosis Differs from all other genera of the family Anthroleucosomatidae , except the genus Heterocaucaseuma Antić & Makarov, 2016 , by the presence of two pairs of flagelliform processes originating from the base of the angiocoxites of the posterior gonopods. From the genus Heterocaucaseuma , it differs by the presence of more complicated anterior gonopods, characterized by angiocoxites clearly differentiated into anterior and posterior parts. The anterior parts are shield-like, separated, partially fused or completely fused, with a visible furrow. The genus Heterocaucaseuma is characterized by somewhat simplified anterior gonopods with angiocoxites differentiated into a medial part, fully fused, and two lateral parts. Distribution The genus Caucaseuma includes mainly narrow endemics confined to the Western and North Western Caucasus, with the exception of C. variabile with a rather disjunct distribution in the western, northern and central Caucasus ( Fig. 1 ).