目录 1
黑龙江省东部龙爪沟群植物化石（三） 曹正尧 1
CONTENTS 26
Fossil Plants from the Longzhaogou Group in Eastern Heilongjiang Province（Ⅲ） Cao Zheng-yao 26
黑龙江省密山下白垩统东山组植物化石 曹正尧 35
Fossil Plants from Early Cretaceous Tongshan Formation in Mishan County ofHeilongjiang Province Cao Zheng-yao 44
黑龙江省东部侏罗纪和白垩纪双壳类的初步研究 顾知微 陈金华 沙金庚 49
Preliminary Study on Jurassic and Cretaceous Bivalves of Eastern HeilongjiangProvince in China Gu Zhih-wei,Chen Jin-hua and Sha Jin-geng 195