Terrestrial strata are widely distributed in China. especially in the North of China palaeocon-tinent, yielding abundant fossil insects associated with other fossil biotas. Through acumulation of nationwide insect specimens and their systematic study for
洪友崇.1998.中国北方昆虫群的建立与演化序列[J].地质学报,72(1). Hong Youchong.1998. Establishment and Evolutionary Successions of Entomofaunas in the North of China[J]. Acta Geologica Sinica,72(1).
