Yu Jingxian, 1982
From dinoflaj3
Yu Jingxian, 1982: Late Jurassic to Early Cretaceous dinoflagellate assemblages of eastern Heilongjiang Province, China. Chinese Academy of Geological Sciences, Shenyang Institute of Geology and Mineral Resources, Bulletin, no.5, p.227-267, pl.1-8. (In Chinese with English abstract.)