Unit 27, Dawan Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., China (Ordovician of China)

Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 12.8° N, 140.9° E)

• local area-level geographic resolution

When: Lower Member (Dawan Formation), Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified carbonate

Primary reference: X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 4722: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Asaphida - Asaphidae
Pseudobasilicus sp. Reed 1930 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
Strophomenata
 Strophomenida - Taffiidae
Leptella sp. Hall and Clarke 1892
Rhynchonellata
 Orthida - Plectorthidae
Mimella sp. Cooper 1930
Conodonta
 Conodontophorida -
  -
Triangulodus sp. van Wamel 1974 conodont
 Prioniodontida -
Oepikodus sp. conodont
 Prioniodontida - Balognathidae
  - Strachanognathidae
  -
Acodus sp. Pander 1856 conodont
 Protopanderodontida -
Drepanoistodus sp. Lindstrom 1971 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont