Also known as Avian site at Dongtuyao, 2 km south of Senjitu

Where: Hebei, China (41.9° N, 116.6° E: paleocoordinates 44.1° N, 118.2° 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

Primary reference: F. Zhang, P. G. P. Ericson, and Z. Zhou. 2004. Description of a new enantiornithine bird from the Early Cretaceous of Hebei, northern China. Canadian Journal of Earth Sciences 41(9):1097-1107 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79520: authorized by Matthew Carrano, entered by Matthew Carrano on 11.03.2008

Creative Commons license: CC BY (attribution)