Shundong Bi; Xiaoting Zheng; Xiaoli Wang; Natalie E. Cignetti; Shiling Yang; John R. Wible (2018). An Early Cretaceous eutherian and the placental–marsupial dichotomy. Nature. 558 (7710): 390—395. doi:10.1038/s41586-018-0210-3. PMID29899454.
Shundong Bi; Xiaoting Zheng; Xiaoli Wang; Natalie E. Cignetti; Shiling Yang; John R. Wible (2018). An Early Cretaceous eutherian and the placental–marsupial dichotomy. Nature. 558 (7710): 390—395. doi:10.1038/s41586-018-0210-3. PMID29899454.