Where: Shandong, China (36.5° N, 117.8° E: paleocoordinates 1.1° S, 145.9° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Amphoton trilobite zone, Zhangxia Formation, Taijangian to Taijangian (509.0 - 497.0 Ma)
• C17, Zhangxia (=Changhia) Formation, Amphoton zone of N China Platform area = Ptychagnostus atavus-Goniagnostus nathorsti zones of S China (Peng 2009)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: X. Sun. 1989. Cambrian agnostids from the North China Platform. Palaeontologia Cathayana 4:53-129 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 126901: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.04.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Peronopsis ozakii Resser and Endo 1937 | |
Iniospheniscus nodai Endo 1944 | |
Hypagnostus parvifrons Linnarsson 1869 |