9F25 – Sinornis

From the early Cretaceous period, approximately 120 million years ago. Sinornis is a genus of enantior-nithean birds. Found in the Jiufotang Formation of China in the late 20th century. This newly discovered avian creature shares primitive features of the Archaeopteryx along with traits of modern birds.The concrete stamping tool has an overall size of 17” x 22” ( 34 x 56 cm) with a medium slate texture.
PCI # 9F25
Tool Size 17” x 22”