WANG, O’CONNOR, PAN, & ZHOU, 2017
Etymology: Latin, multi, "many" and Latin, donta, "teeth" in reference to the numerous dentary teeth.
Holotype: IVPP 21711
Locality: Sichakou Basin, Fengning County, Hebei Province, China.
Horizon: Protopteryx-horizon, Huajiying Formation.
Age: Barremanian Stage, Lower Gallic Subepoch, Middle Early Cretaceous Epoch, Early Cretaceous.
Material: Fragmentary skull and skeleton, with feather impressions.