GuLangXia and GuLang Counties: Llandeilo, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Gastropoda - Euomphalina - Helicotomidae
Ophiletina sp. Ulrich and Scofield 1897
Gastropoda - Murchisoniina - Eotomariidae
Gastropoda - Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886
see common names

Geography
Country:China State/province:GanSu County:GuLangXia and GuLang
Coordinates: 38.0° North, 102.0° East (view map)
Paleocoordinates:25.6° South, 119.2° East
Geographic resolution:local area
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:Darriwilian 10 m.y. bin:Ordovician 3
*Period:Middle Ordovician *Epoch:Llandeilo
Key time interval:Llandeilo
Age range of interval:461.30000 - 458.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Zhongbao
Stratigraphic resolution:formation
Stratigraphy comments: PJW: given as Chelungou, but that is an older group. The Llandeilo-aged rock here is Zhongbao formation.
Lithology and environment
Primary lithology:gray,green,red or brown lithified cherty/siliceous sandstone
Secondary lithology: "limestone"
Lithology description: grayish green arkose and slate with red siliceous limestone and breccia and sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:species names
Reason for describing collection:biostratigraphic analysis
Metadata
Also known as:CheLunGou Fm., GuLangXia and GuLang Counties, GanSu Prov., China
Database number:8556
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:P. Wagner Research group:marine invertebrate
Created:2000-08-02 09:00:34 Last modified:2018-05-16 14:04:41
Access level:the public Released:2000-08-02 09:00:34
Creative Commons license:CC BY
Reference information

Primary reference:

526. Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]