Where: Liaoning, China (41.5° N, 121.2° E: paleocoordinates 44.3° N, 123.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Yixian Formation (Jehol Group), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; fine-grained lithology not reported

Size class: macrofossils

Collection methods: Shenzhen Paleontological Museum, Shenzhen, China

Primary reference: E. Buffetaut, J. Li, H. Tong and H. Zhang. 2007. A two-headed reptile from the Cretaceous of China. Biology Letters 3:80-81 [R. Benson/R. Benson/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117526: authorized by Roger Benson, entered by Roger Benson on 22.09.2011

Creative Commons license: CC BY (attribution)