Chuxian-Quanjiao, lower Langyashan Formation (Cambrian of China)

Where: Anhui, China (32.3° N, 118.3° E: paleocoordinates 15.9° N, 149.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Langyashan Formation, Paibian (497.0 - 494.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

• grey to blackish grey, medium to massive, argillaceous laminated limestones, interbedded with dolomitic and arenaceous crystalline limestones

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: Y. Lu and Z. Zhu. 1980. Cambrian trilobites from Chuxian-Quanjiao region, Anhui. Memoirs of Nanjing Institute of Geology and Palaeontology 16:1-38 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127476: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.05.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Diplagnostidae
"Rhaptagnostus sp." = Pseudagnostus
"Rhaptagnostus sp." = Pseudagnostus Jaekel 1909
Trilobita
 Asaphida - Ceratopygidae
Proceratopyge chuhsiensis