Xijiadian, Xijiadian Formation (Cambrian to of China)

Where: Hubei, China (32.7° N, 111.2° E: paleocoordinates 20.6° N, 154.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Xijiadian Formation, Wangcunian to Wangcunian (504.5 - 497.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified marl and lithified limestone

• marl with shale, thin-bedded limestone, argillaceous limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: H. Y. Zhu. 1987. Cambrian trilobites from Xijiadian, Junxian, Hubei. Acta Palaeontologica Sinica 26(1):86-95 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130258: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Solenopleuridae
 Asaphida - Anomocarellidae
Luia sp. Chang 1959 trilobite
 Corynexochida - Corynexochidae
Corynexochus sp. Angelin 1854 trilobite
Artiopoda
 Agnostida - Ptychagnostidae
 Agnostida - Peronopsidae