Where: Heilongjiang, China (46.5° N, 133.0° E: paleocoordinates 52.2° N, 132.9° E)

• coordinate based on nearby landmark

When: Upper Member (Dajiashan Formation), Late/Upper Barremian to Late/Upper Barremian (130.0 - 109.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; black, silty mudstone and sandstone

Size class: macrofossils

Primary reference: B.Y. Jiang, C. Huawei, and S. Jingeng. 2004. Early Cretaceous Aucellina (bivalvia) from the Dajiashan area, northeastern China. Journal of Asian Earth Sciences 23:365-371 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47110: authorized by Linda Ivany, entered by Patrick Wall on 08.02.2005

Creative Commons license: CC BY (attribution)