Dengjiagou Formationdoi:10.1007/978-3-540-93824-8_1615➁Zhu Weiyuan, 1988, Gansu Geology , (9) ➂Dengjiagou, north of Western Qinling Mountain, Gansu Province ➄Devonian.Springer Berlin HeidelbergGeological Formation Names of China (1866–2000)...