Definition: Beklemischev VN 1937 (citation) Geographic Distribution: Caspian Sea. Beklemischev VN 1937 (citation)- Definition of new species. Dorjes J 1968 (citation)- p 108 lists. Beklemischev VN 1969 (citation)- Vol II, p 395 from Caspian Sea, 1 of surface spines acts as copulatory organ, illustration p 397.