Where: Guangxi, China (23.5° N, 107.0° E: paleocoordinates 7.8° N, 97.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Owenites koeneni ammonoid zone, Smithian (251.3 - 247.2 Ma)

• About 3.3 m above base of measured section. Owenites koeneni beds, not named as a formal zone.

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone

Size class: macrofossils

Primary reference: A. Brayard and H. Bucher. 2008. Smithian (Early Triassic) ammonoid faunas from northwestern Guangxi (South China): taxonomy and biochronology. Fossils and Strata 55:1-179 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97139: authorized by Matthew Clapham, entered by Matthew Clapham on 18.07.2010

Creative Commons license: CC BY (attribution)