Where: Liaoning, China (41.5° N, 120.8° E: paleocoordinates 44.6° N, 121.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yixian Formation (Jehol Group), Barremian to Barremian (130.0 - 112.0 Ma)

• stratigraphic assignment is speculative, based on lithology

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; shale

Size class: macrofossils

Preservation: adpression, soft parts

Collection methods: quarrying, mechanical,

• collected by fossil dealer and acquired by Zhucheng Dinosaur Museum (ZCDM) and Erlianhaote Dinosaur Museum (ELDM)

Primary reference: X. Xu, K. Wang, K. Zhang, Q. Ma, L. Xing, C. Sullivan, D. Hu, S. Cheng, and S. Wang. 2012. A gigantic feathered dinosaur from the Lower Cretaceous of China. Nature 484:92-95 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126447: authorized by Matt Carrano, entered by Matt Carrano on 05.04.2012