Where: Liaoning, China (41.2° N, 123.4° E: paleocoordinates 5.1° N, 144.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Amphoton trilobite zone, Taitzu Formation, Taijangian to Taijangian (509.0 - 497.0 Ma)

• 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 126913: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.04.2012

Creative Commons license: CC BY (attribution)