Hod27, Huanghuachang section (Ordovician of China)

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

• Paleocoordinates: 16.6° S, 89.6° E (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Oepikodus evae conodont zone, Dawan Formation, Floian (477.7 - 470.0 Ma)

• Lower unit of Dawan Formation. Late Floian. Lower part of the Oepikodus evae zone.

• bed-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal limestone

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 221197: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2021

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Phacopida - Pliomeridae
Ovalocephalus eoprimitivus Zhou and Zhou 2008 trilobite
 Asaphida - Asaphidae
Niobe (Niobella) obscura Zhou and Zhou 2019 trilobite
Liomegalaspides taningensis Weller 1907 trilobite
 Trinucleida - Raphiophoridae
Rhombampyx chinensis Weller 1913 trilobite