Figure 1

Location of the main fossil localities in the Erlian Basin.
Blue solid star denotes the locality where IVPP V20254 was unearthed. Black solid circles mean other fossil localities of Erlian Basin, and no-solid circles denote towns and villages. Scientific Reports remains neutral with regard to jurisdictional claims in published maps. (The maps were created in Corel DRAW X3 (v. 13.0) by Haibing Wang).