Dajialian Section, Bed 34, Xihuancang, Tianjun District: Anisian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lingulata - Lingulida - Discinidae
Orbiculoidea yangkangensis Xu and Liu 1983
Xu and Liu 1983
Cephalopoda - Ceratitida - Aplococeratidae
Pseudaplococeras cf. vodgesi
synonym of Aplococeras
see common names

Geography
Country:China State/province:Qinghai
Coordinates: 37.5° North, 99.4° East (view map)
Paleocoordinates:29.8° North, 81.2° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Triassic Epoch:Middle Triassic
Stage:Anisian 10 m.y. bin:Triassic 2
Key time interval:Anisian
Age range of interval:247.20000 - 242.00000 m.y. ago
Stratigraphy
Geological group:Junzihe Formation:Qieerma
Stratigraphic resolution:group of beds
Stratigraphy comments: 8.15 m thick
Lithology and environment
Primary lithology:black lithified siltstone
Secondary lithology:gray,green lithified sandstone
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:101049
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2010-12-15 12:31:37 Last modified:2013-11-25 13:02:06
Access level:the public Released:2010-12-15 12:31:37
Creative Commons license:CC BY
Reference information

Primary reference:
34522. G. C. Liu and H. F. Yin. 1983. Middle Triassic, Jinzihe Formation. In Z. Y. Yang, H. F. Yin, G. R. Xu, S. B. Wu, Y. L. He, G. C. Liu, J. R. Yin (eds.), Triassic of the southern Qilian Mountains 11-21 [M. Clapham/M. Clapham]

Secondary references:

34534 G. R. Xu and G. C. Liu. 1983. Systematic Description: Brachiopods. In Z. Y. Yang, H. F. Yin, G. R. Xu, S. B. Wu, Y. L. He, G. C. Liu, J. R. Yin (eds.), Triassic of the southern Qilian Mountains 84-128 [M. Clapham/M. Clapham]