Where: Nei Mongol, China (41.6° N, 119.3° E: paleocoordinates 44.1° N, 121.1° 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; shale and mudstone

Size class: macrofossils

Preservation: adpression, soft parts

Reposited in the IVPP

Primary reference: Z. Zhou and F. Zhang. 2005. Discovery of an ornithurine bird and its implication for Early Cretaceous avian radiation. Proceedings of the National Academy of Sciences 102(32):18998-19002 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79519: authorized by Matthew Carrano, entered by Matthew Carrano on 11.03.2008, edited by Graeme Lloyd

Creative Commons license: CC BY (attribution)