Also known as Yixian

Where: Liaoning, China (41.6° N, 121.6° E: paleocoordinates 44.4° N, 123.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

Environment/lithology: lacustrine; lithology not reported

Size class: macrofossils

Preservation: adpression

Collection methods: quarrying, mechanical,

Primary reference: D. Li, C. Sullivan, Z. Zhou and F. Zhang. 2010. Basal birds from China: a brief review. Chinese Birds 1(2):83-96 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156032: authorized by Matthew Carrano, entered by Matthew Carrano on 07.05.2014

Creative Commons license: CC BY (attribution)