Also known as Geol. Survey China, T'ien Ch'iao T'un

Where: Shandong, China (36.9° N, 120.6° E: paleocoordinates 39.5° N, 112.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jiangjunding Formation (Wangshi Group), Coniacian to Coniacian (89.8 - 83.6 Ma)

• from a specific, but unnamed, level in the middle of the Wangshi formation, originally thought to be Late Cretaceous, but argued in 1995 to be Campanian on biostratigraphic grounds

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red claystone and gray, green, conglomeratic sandstone

Size class: macrofossils

Collected by Tan in 1923

Collection methods: quarrying,

• Uppsala/GSC

Primary reference: H. C. T'an. 1923. New research on the Mesozoic and early Tertiary geology in Shantung. Geological Survey of China Bulletin 5:95-135 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35966: authorized by Matthew Carrano, entered by Matthew Carrano on 12.01.2004

Creative Commons license: CC BY (attribution)