Where: Shandong, China (37.1° N, 121.0° E: paleocoordinates 40.5° N, 122.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Laiyang Formation, Aptian (125.0 - 113.0 Ma)

• Laiyang paper shale

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified shale

Size class: macrofossils

Preservation: adpression

Collected by H.C. Tan; reposited in the NIGPAS

• Repository: Geological Survey of China Museum (prior to 1949), now at NIGP

Primary reference: A. W. Grabau. 1923. Cretaceous fossils from Shantung. Bulletin of the Geological Survey of China 5:143-181 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156598: authorized by Matthew Clapham, entered by Matthew Clapham on 26.05.2014

Creative Commons license: CC BY (attribution)