Full reference: Q. Ji, Z.-X. Luo, C.-X. J.R. Yuan Wible, J.-P. Zhang, and J.A. Georgi. 2002. The earliest known eutherian mammal. Nature 416:816-822
Sister taxa: none
Type specimen: CAGS01-IG1-a, b, a skeleton (part and counterpart of a skeleton with some preserved soft tissues). Its type locality is Dawangzhangzi, which is in a Barremian lacustrine shale in the Yixian Formation of China.
Ecology: scansorial insectivore