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文中描述采自南黄海7井叶肢介化石,分别是Yunmenglimnadia huanghaiensis(sp.nov.),Y.subrhombica(sp.nov.),Y.brevis(sp.nov.)和Perilimnadia?cf.P.taizhouensis Chen。其地层时代为早古新世。
The paper describes the leaf fossils collected from the South Huanghai 7 well as Yunmenglimnadia huanghaiensis (sp.nov.), Y.subrhombica (sp.nov.), Y. brevis (sp.nov.) And Perilimnadia? Cf.P. taizhouensis Chen. Its stratigraphic period is Early Paleocene.