Where: Liaoning, China (41.5° N, 121.2° E: paleocoordinates 44.2° N, 123.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• "Jingangshan Bed" from upper part of formation

•

•"age of 129.7 ± 0.5 Ma for a basaltic lava from the bottom of the Yixian Formation and an age of 122.1 ± 0.3 Ma for a tuff from the lowermost part of the overlying Jiufotang Formation" (Chang et al. 2009)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; gray, yellow shale

Size class: macrofossils

Preservation: adpression, soft parts

Reposited in the IVPP

Primary reference: F. Zhang and Z. Zhou. 2004. Leg feathers in an Early Cretaceous bird. Nature 431:925 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 79521: authorized by Matthew Carrano, entered by Matthew Carrano on 11.03.2008, edited by Richard Butler, Terri Cleary and Roger Benson

Creative Commons license: CC BY (attribution)