Where: Hebei, China (39.8° N, 118.3° E: paleocoordinates 3.3° S, 138.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Changia trilobite zone, Fengshan Formation, Niuchehean (489.5 - 485.4 Ma)

• samples Tzwh19/20/21 of bed 18 (37 m thick), Quadraticephalus zone of Zhu and Wittke 1989

• bed-level stratigraphic resolution

Environment/lithology: lithified shale and lithified limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: Z. L. Zhu and H. W. Wittke. 1989. Upper Cambrian trilobites from Tangshan, Hebei Province, North China. Palaeontologia Cathayana 4:199-259 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129619: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.06.2012

Creative Commons license: CC BY (attribution)