ammonites
Dashiyan Reef, Shaanxi, China (Silurian of China)

Also known as Reef 3165

Where: Sichuan, China (32.7° N, 105.9° E: paleocoordinates 4.6° N, 132.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: griestoniensis to spiralis-grandis zone, Ningqiang Formation, Telychian (436.0 - 428.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified framestone

• Autobiostromal base of patch reef; 17.5 m thick

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: Y. Li, S. Kershaw, and X. Chen. 2002. Biotic structure and morphology of patch reefs from South China (Ningqiang Formation, Telychian, Llandovery, Silurian). Facies 46:133-148 [W. Kiessling/W. Kiessling/W. Kiessling] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23254: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 11.07.2002