Zheng, Yan, Haiyan Hu, Dong Chen, Jun Chen, Haichun Zhang, and Alexandr P. Rasnitsyn. 2021. “New Fossil Records of Xyelidae (Hymenoptera) from the Middle Jurassic of Inner Mongolia, China”. European Journal of Taxonomy 733 (1):146-59. https://doi.org/10.5852/ejt.2021.733.1229.