Unit 28, 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
Cyrtomodus sp.
Honghuayuangnathus sp.
Strophomenata - Strophomenida - Taffiidae
Leptella sp. Hall and Clarke 1892
Eosericoidea sp.
synonym of Leptella
Strophomenata - Billingsellida - Polytoechiidae
Polytoechia sp.
Martellia sp. Wirth 1936
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata - Orthida - Orthidae
Sinorthis sp.
Yichangorthis sp.
synonym of Sinorthis
Rhynchonellata - Orthida - Plectorthidae
Mimella sp. Cooper 1930
Rhynchonellata - Orthida - Paurorthidae
Nereidella sp.
Rhynchonellata - Pentamerida - Clarkellidae
Yangtzeella sp. Kolarova 1925
Ostracoda - Podocopida
Altha sp.
Ostracoda - Hollinocopida - Tetradellidae
Dilobella sp.
Trilobita - Trinucleida - Trinucleidae
Hanchungolithus sp. Lu 1956
Trilobita - Asaphida - Asaphidae
Pseudobasilicus sp. Reed 1930
Trilobita - Corynexochida - Leiostegiidae
Pseudocalymene sp. Pillet 1974
Trilobita - Phacopida - Pliomeridae
Guizhoupliomerops sp. Zhu and Yin 1978
Pterobranchia - Dendroidea - Dendrograptidae
Dendrograptus sp. Hall 1858
Pterobranchia - Graptoloidea - Phyllograptidae
Pseudophyllograptus sp. Cooper and Fortey 1982
Tetragraptus sp. Salter 1863
Phyllograptus sp. Hall 1858
Pterobranchia - Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851
Conodonta - Ozarkodinida
Periodon sp. Hadding 1913
Conodonta - Paraconodontida
Westergaardodina sp. Müller 1959
Conodonta - Coleodontidae
Coleodus sp. Branson and Mehl 1933
Conodonta - Belodellida - Belodellidae
Stolodus sp. Lindström 1955
Coelocerodontus sp. Ethington 1959
Conodonta - Prioniodontida - Acodontidae
Tropodus sp. Kennedy 1980
Acodus sp. Pander 1856
Triangulodus sp. van Wamel 1974
Conodonta - Prioniodontida - Balognathidae
Reutterodus sp.
Baltoniodus sp. Lindstrom 1971
Conodonta - Prioniodontida - Oistodontidae
Oistodus sp. Pander 1856
Conodonta - Prioniodontida - Rhipidognathidae
Bergstroemognathus sp. Serpagli 1974
Conodonta
Nasusgnathus sp. Ni 1983
Conodonta - Protopanderodontida - Drepanoistodontidae
Drepanoistodus sp. Lindstrom 1971
Paroistodus sp. Lindström 1971
Conodonta - Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856
Drepanodus sp. Pander 1856
Scolopodus sp.
Juanognathus sp. Serpagli 1974
Protopanderodus sp. Lindström 1971
Conodonta - Protopanderodontida - Clavohamulidae
Clavohamulus sp.
Conodonta - Protopanderodontida - Cornuodontidae
Cornuodus sp.
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:478.60000 - 466.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Dawan Member:Lower
Local section:28
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified argillaceous "carbonate"
Environment:offshore shelf
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:4721
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-08-18 07:40:11 Last modified:1999-08-18 10:40:11
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]