河北承德上谷早侏罗世南大岭组植物化石

EARLY JURASSIC FOSSIL PLANTS FROM THE NANDALING FORMATION IN THE VICINITY OF SHANGGU,CHENGDE OF HEBEI

描述了河北承德上谷附近门头沟群南大岭组植物化石１２属１５种，认为其时代为早侏罗世。对确定鲜有化石资料报道的冀北南大岭组的地质时代提供了重要的古植物学依据，为研究我国北方侏罗纪植物化石序列填补了空白。

species of 12 genera are described here for the first time from the Nandaling Formation near Shanggu, Chengde of Hebei. The age of the present flora is early Jurassic. Most of the species are of Liassic in age. Neither typical late Triassic nor middle Jurassic species has been found.