摘要
根据槲栎叶复合群研究的最新成果订正了国产槲叶栎属 (Dryophyllum)的化石。通过对该属 9种化石的整理 ,将 Dryophyllum dewalquei、D.parvum、D.relongtanense、D.yunnanensis和 D.sp.等 5种分别归入 Berryophyllum dewalquei、B.parvum、B.relongtanense、B.yunnanensis和 B.sp.;将 D.fushunense归入 Castaneophyllum fushunense;将 D.nervosaum归入 Quercusnervosum;将 D.relongtanense的一部分归入Q.lantenoisii;D.subfalcatum尚不能确定归属 ,但可以肯定不属槲栎叶复合群。同时 ,还讨论了槲栎叶复合群的地史学意义。该复合群是原始壳斗科向现代壳斗科过渡的中间类群 。
Chinese specimens of Dryophyllum which regarded as 9 species have been revised based on Jones's researches on Dryophyllum.Five of them have been moved to Berryophyllum(Dryophyllum dewalquei,D.parvum,D.relongtanense, D.yunnanensis and D.sp.);D.fushunense to Castaneophyllum fushunense;D.nervosaum to Quercus nervosum, and some speciemen identified as D.relongtanense to Q.lantenoisii.Speciemen of Dryophyllum subfalcatum from the Cretaceous of Northestern China does not belong to Dryophyllum.Geological significance were discussed.Berryophyllum and Castaneophyllum seem to be middle groups between ancient Fagaceae and modern Fagaceae.It also indicates that the modern genera of Fagaceae did not occur until the Eocene.
基金
国家自然科学基金
