Sixteen species of the genus Cytheropteron
from the Laptev Sea Late Pleistocene, Holocene deposits and Recent surface sediments have been described. Analysis of the literature on this subject and the collections of O.M.Lev from St. Petersburg, together with our own material from the Laptev Sea, allowed us to introduce certain changes in the taxonomy of this genus. One species Cytheropteron laptevensis Stepanova sp. nov. is described as new
