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Qin, Zuohuan; Xi, Dangpeng; Shi, Zhongye; Xu, Yankang; Wei, Feng; Yu, Zhiqiang; Wu, Baoxu; Wan, Xiaoqiao (2019). "Lagerstätte fossils from the Lower Cretaceous Yixian Formation of the Pingquan Basin, North China: Stratigraphical correlation and palaeoenvironmental implications". Lethaia. 52 (3): 335–349. Bibcode:2019Letha..52..335Q. doi:10.1111/let.12315.
Barrett, Paul M. (2000). "Evolutionary consequences of dating the Yixian Formation". Trends in Ecology & Evolution. 15 (3): 99–103. doi:10.1016/S0169-5347(99)01782-6. PMID10675924.
Wang, Yaqiong; Olsen, Paul E.; Sha, Jingeng; Yao, Xiaogang; Liao, Huanyu; Pan, Yanhong; Kinney, Sean; Zhang, Xiaolin; Rao, Xin (2016). "Stratigraphy, correlation, depositional environments, and cyclicity of the Early Cretaceous Yixian and ?Jurassic-Cretaceous Tuchengzi formations in the Sihetun area (NE China) based on three continuous cores". Palaeogeography, Palaeoclimatology, Palaeoecology. 464: 110–133. Bibcode:2016PPP...464..110W. doi:10.1016/j.palaeo.2016.06.043.
Chang, Su-Chin; Gao, Ke-Qin; Zhou, Chang-Fu; Jourdan, Fred (2017). "New chronostratigraphic constraints on the Yixian Formation with implications for the Jehol Biota". Palaeogeography, Palaeoclimatology, Palaeoecology. 487: 399–406. Bibcode:2017PPP...487..399C. doi:10.1016/j.palaeo.2017.09.026.
Li, Youjuan; Jicha, Brian R.; Yu, Zhiqiang; Wu, Huaichun; Wang, Xiaolin; Singer, Brad S.; He, Huaiyu; Zhou, Zhonghe (2022). "Rapid preservation of Jehol Biota in Northeast China from high precision 40Ar/39Ar geochronology". Earth and Planetary Science Letters. 594. doi:10.1016/j.epsl.2022.117718.
Liu, Yong-Qing; Kuang, Hong-Wei; Jiang, Xiao-Jun; Peng, Nan; Xu, Huan; Sun, Hui-Yi (2012). "Timing of the earliest known feathered dinosaurs and transitional pterosaurs older than the Jehol Biota". Palaeogeography, Palaeoclimatology, Palaeoecology. 323–325: 1–12. Bibcode:2012PPP...323....1L. doi:10.1016/j.palaeo.2012.01.017.
Qin, Zuohuan; Xi, Dangpeng; Shi, Zhongye; Xu, Yankang; Wei, Feng; Yu, Zhiqiang; Wu, Baoxu; Wan, Xiaoqiao (2019). "Lagerstätte fossils from the Lower Cretaceous Yixian Formation of the Pingquan Basin, North China: Stratigraphical correlation and palaeoenvironmental implications". Lethaia. 52 (3): 335–349. Bibcode:2019Letha..52..335Q. doi:10.1111/let.12315.
Wang, Yaqiong; Olsen, Paul E.; Sha, Jingeng; Yao, Xiaogang; Liao, Huanyu; Pan, Yanhong; Kinney, Sean; Zhang, Xiaolin; Rao, Xin (2016). "Stratigraphy, correlation, depositional environments, and cyclicity of the Early Cretaceous Yixian and ?Jurassic-Cretaceous Tuchengzi formations in the Sihetun area (NE China) based on three continuous cores". Palaeogeography, Palaeoclimatology, Palaeoecology. 464: 110–133. Bibcode:2016PPP...464..110W. doi:10.1016/j.palaeo.2016.06.043.
Chang, Su-Chin; Gao, Ke-Qin; Zhou, Chang-Fu; Jourdan, Fred (2017). "New chronostratigraphic constraints on the Yixian Formation with implications for the Jehol Biota". Palaeogeography, Palaeoclimatology, Palaeoecology. 487: 399–406. Bibcode:2017PPP...487..399C. doi:10.1016/j.palaeo.2017.09.026.
Barrett, Paul M. (2000). "Evolutionary consequences of dating the Yixian Formation". Trends in Ecology & Evolution. 15 (3): 99–103. doi:10.1016/S0169-5347(99)01782-6. PMID10675924.