Yangtze Gorge [Upper Tianzhushan Mbr, Dengying Fm]: Tommotian - Botomian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Hyolithia indet.
Hyolithelmithes indet.
Chancellorida indet.
Cambroscleritida indet.
Conodontomorpha indet.
Monoplacophora
Monoplacophora indet. Knight 1952
Gastropoda
Gastropoda indet. Cuvier 1795
unclassified
Brachiopoda indet. Cuvier 1805
Tommotiida - Tommotiida
Tommotiida indet. Missarzhevsky 1970
see common names

Geography
Country:China State/province:Hubei
Coordinates: 30.8° North, 111.3° East (view map)
Paleocoordinates:26.3° North, 160.3° East
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Cambrian
*Period:Early/Lower Cambrian - Middle Cambrian *Epoch:Caerfai
*International age/stage:Tommotian *Local age/stage:Meishucunian
Key time interval:Tommotian - Botomian
Age range of interval:525.50000 - 512.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Dengying Member:Tianzhushan
Stratigraphic resolution:group of beds
Stratigraphy comments: The grouping of beds is 0.2m thick. AGE: Tommotian-Botomian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data.
Lithology and environment
Primary lithology:intraclastic,black lithified sandy phosphorite
Lithology description: silty dolomite
Environment:marine indet.
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils,species names
Collection methods:observed (not collected)
Reason for describing collection:biostratigraphic analysis
Collection method comments: Description comes from description of the supplimentary diagrammatic section of the Eastern Yangtze Gorge area (Fig. 4).
Metadata
Database number:10500
Authorizer:M. Patzkowsky Enterer:P. Borkow
Modifier:A. Hendy Research group:marine invertebrate
Created:2001-05-14 09:37:29 Last modified:2009-06-12 17:06:48
Access level:the public Released:2001-05-14 09:37:29
Creative Commons license:CC BY
Reference information

Primary reference:

423. S. Weiguo. 1986. Late Precambrian Pennatulids (sea pens) from the Eastern Yangtze Gorge, China: Paracharnia gen. nov. Precambrian Research 31:361-375 [M. Patzkowsky/P. Borkow]