PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Paleontology Biogeochemistry Xiaofeng Xie PeerJ Author Summary Biogeochemistry Paleontology PeerJ Contributions Articles 1 July 22, 2022 Rare earth element geochemistry of Middle Devonian reefal limestones of the Dianqiangui Basin, South China: implications for nutrient sources and expansion of the reef ecosystem Qi Mao, Shangyi Gu, Huan Li, Gary G. Lash, Tianyi Zhang, Xiaofeng Xie, Zidong Guo https://doi.org/10.7717/peerj.13663 PubMed 35898942