Where: Zhejiang, China (28.9° N, 118.5° E: paleocoordinates 4.5° N, 127.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nemagraptus gracilis graptolite zone, Yenwashan Formation, Sandbian (458.4 - 453.0 Ma)

• Lowest part of formation; overlies Hulo formation; underlies Huangnekang formation.

• group of beds-level stratigraphic resolution

Environment/lithology: nodular, argillaceous limestone

Size class: mesofossils

Primary reference: Z. Zhen, Y. Zhang, and I. G. Percival. 2009. Early Sandbian (Late Ordovician) conodonts from the Yenwashan Formation, western Zhejiang, South China. Alcheringa 33(2):133-161 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 203715: authorized by Pete Wagner, entered by Pete Wagner on 22.08.2019

Creative Commons license: CC BY (attribution)