Also known as Chaoyang, Xiaoyugou

Where: Liaoning, China (41.5° N, 120.2° E: paleocoordinates 44.8° N, 120.2° E)

• coordinate based on nearby landmark

When: Jiufotang Formation (Jehol Group), Aptian (125.0 - 113.0 Ma)

• Chang et al. (2009) provide a Ar/Ar date of 122.1 Ma for the base of the Jiufutang. The age of the top of the formation is uncertain.

Environment/lithology: lacustrine - large; tuffaceous shale

Size class: macrofossils

Preservation: adpression

Reposited in the IVPP

Collection methods: quarrying, surface (in situ), mechanical,

• BMNHC Ph 756 was mechanically prepared at the Natural History Museum of Los Angeles County

Primary reference: E. M. Morschhauser, D. J. Varricchio, C. Gao, J. Liu, Z. Wang, X. Cheng, and Q. Meng. 2009. Anatomy of the Early Cretaceous bird Rapaxavis pani, a new species from Liaoning Province, China. Journal of Vertebrate Paleontology 29(2):545-554 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90046: authorized by Matthew Carrano, entered by Matthew Carrano on 02.07.2009, edited by Richard Butler and Jonathan Tennant

Creative Commons license: CC BY (attribution)