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)
Taxonomic list
Gastropoda | |
Amberleya sp. Morris and Lycett 1851 snail | |
Bivalvia | |
Malletia sp. des Moulins 1832 clam | |
Entolium sp. Meek 1865 scallop | |
Cephalopoda | |
Ammonoidea indet. ammonite |