ammonites
Xiyangshan, bed 14 (Cambrian to of China)

Where: Zhejiang, China (28.9° N, 118.5° E: paleocoordinates 15.7° N, 143.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lotagnostus punctatus trilobite zone, Siyangshan Formation, Taoyuanian to Taoyuanian (498.5 - 488.3 Ma)

• samples CB198, GC26a; Siyangshan (=Xiyangshan) Formation, Lotagnostus punctatus zone of Lu and Lin 1989 = Lotagnostus americanus zone of S China?, stages 9/10 of Cambrian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified, calcareous shale and lithified limestone

• outermost part of the Jiangnan Slope Belt, adjacent to the Jiangnan Basin
• grey calcareous shales and black compact thin-bedded limestones

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: Y. H. Lu and H. L. Lin. 1989. The Cambrian trilobites of western Zhejiang. Palaeontologia Sinica, new series B 25:1-287 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125668: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.03.2012