Unit 26, Dawan Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., China: Arenig, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Honghuayuangnathus sp.
Paradrepanodus sp.
Striaconus sp.
Trilobita - Asaphida - Asaphidae
Megalaspides sp. Brögger 1886
Rhynchonellata - Orthida - Plectorthidae
Mimella sp. Cooper 1930
Rhynchonellata - Orthida - Paurorthidae
Nereidella sp.
Rhynchonellata - Pentamerida - Clarkellidae
Yangtzeella sp. Kolarova 1925
Strophomenata - Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Conodonta - Prioniodontida
Oepikodus sp. Lindström 1955
Oepikodus sp. Lindström 1955
Conodonta - Prioniodontida - Oistodontidae
Oistodus sp. Pander 1856
Conodonta - Prioniodontida - Balognathidae
Baltoniodus sp. Lindstrom 1971
Reutterodus sp.
Conodonta - Prioniodontida - Acodontidae
Triangulodus sp. van Wamel 1974
Acodus sp. Pander 1856
Conodonta - Prioniodontida - Rhipidognathidae
Bergstroemognathus sp. Serpagli 1974
Conodonta - Protopanderodontida - Protopanderodontidae
Juanognathus sp. Serpagli 1974
Drepanodus sp. Pander 1856
Scolopodus sp.
Conodonta - Protopanderodontida - Oneotodontidae
Oneotodus sp. Lindström 1955
Conodonta - Protopanderodontida - Cornuodontidae
Cornuodus sp.
Conodonta - Protopanderodontida - Drepanoistodontidae
Paltodus sp. Pander 1856
Drepanoistodus sp. Lindstrom 1971
Conodonta
Scandodus sp. Lindstrom 1955
Nasusgnathus sp. Ni 1983
see common names

Geography
Country:China State/province:Hubei
Coordinates: 33.0° North, 111.0° East (view map)
Paleocoordinates:12.8° North, 140.9° East
Geographic resolution:local area
Time
Period:Ordovician
10 m.y. bin:Ordovician 2
*Period:Early/Lower Ordovician *Epoch:Early/Lower Arenig
Key time interval:Arenig
Age range of interval:477.70000 - 468.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Dawan Member:Lower
Local section:26
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified grainstone
Environment:shallow subtidal indet.
Geology comments: Sparry limestone
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:4723
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-08-18 07:40:18 Last modified:2001-08-16 13:10:33
Access level:the public Released:2000-11-20 13:53:23
Creative Commons license:CC BY
Reference information

Primary reference:

287. 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]