 The specific name honours Yang Zhongjian.It is represented by a holotype, IVPP V9612, an almost complete skeleton with skull, which is articulated and nearly complete except for the roof of the skull, some cervical and many dorsal vertebrae, along with some other referred skeletal elements.The holotype is preserved in much the same roosting position as another troodontid fossil, that of "Mei long", with its snout tucked under its left hand.