Where: Hubei, China (30.9° N, 111.4° E: paleocoordinates 12.9° N, 137.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Baltoniodus triangularis conodont zone, Dawan Formation, Dapingian (470.0 - 467.3 Ma)

• Lower unit of Dawan Formation. Early Floian. Upper part of the Azygograptus suecicus graptolite zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Preservation: original calcite

Collected by Z. Q. Zhou in 2005

• Repository: Wuhan Institute of Geology and Mineral Resources (WIGM)

Primary reference: Z. Q. Zhou and Z. Y. Zhou. 2019. Ordovician trilobites from the lower part of the Dawan Formation (Floian-Dapingian) at Huanghuachang, Yichang, Hubei, southern China. Palaeoworld 28:145-165 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 221223: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2021

Creative Commons license: CC BY (attribution)