On the northern shelf of South China Sea, the latter assemblage can only be compared with the third member of Liushagang Formation in the WS1-3-1 well, Beibu Gulf Basin.

• 在南海北部陆架；这一孢粉组合可与WS1-3-1井流沙港组三段孢粉组合对比；时代为早始新世.