Dawan Fm., DaTianBa, Xiushan County, Sichuan Prov., China: Dawan, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Phacopida
- Pliomeridae
|
|||||||
|
Hammatocnemis sp.
Kielan 1960
|
|||||||
| synonym of Ovalocephalus | |||||||
|
Rhynchonellata
- Orthida
- Archaeorthidae
|
|||||||
|
Nothorthis sp.
Ulrich and Cooper 1938
|
|||||||
|
Rhynchonellata
- Pentamerida
- Clarkellidae
|
|||||||
|
Yangtzeella sp.
Kolarova 1925
|
|||||||
|
Pterobranchia
- Graptoloidea
- Retiolitidae
|
|||||||
|
Glyptograptus sp.
|
|||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Sichuan | County: | XiuShan |
| Coordinates: | 29.0° North, 109.0° East (view map) | ||||
| Paleocoordinates: | 16.8° North, 138.9° East | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 1-2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Arenig | *Local age/stage: | Dawan |
| Key time interval: | Dawan | ||
| Age range of interval: | 477.90000 - 466.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dawan |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified sandy "limestone" |
| Secondary lithology: | "shale" |
| Lithology description: limestone, shale, and sandstone | |
| Environment: | shallow subtidal indet. |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7659 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-05-30 13:13:23 | Last modified: | 2001-08-16 13:10:39 |
| Access level: | the public | Released: | 2000-11-20 13:53:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 485. | Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] |