One new genus and four new species of Liocranidae Simon, 1897 (Arachnida, Araneae) from China and Vietnam.

Four new species of the family Liocranidae are described from China and Vietnam. The new genus Sinocranum gen. nov. , is erected to accommodate S.menghai sp. nov. (♂♀) from China. Further new species described include Koppeninger sp. nov. (♀) from China, Xanthariabaizilongi sp. nov. (♂♀) from China and X.cucphuong sp. nov. (♂) from Vietnam. In addition, Xantharia is transferred from Miturgidae to Liocranidae. Koppe and Xantharia are reported from China and Vietnam, respectively, for the first time.