Tongzi Fm., Ludipin Songtao, Guizhou Prov., China: Tremadoc, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Pterobranchia
- Dendroidea
- Acanthograptidae
|
|||||||
|
Callograptus sp.
|
|||||||
|
Dictyonema sp.
Hall 1851
|
|||||||
|
Pterobranchia
- Dendroidea
- Dendrograptidae
|
|||||||
|
Dendrograptus sp.
Hall 1858
|
|||||||
|
Rhynchonellata
- Orthida
- Plectorthidae
|
|||||||
|
Nanorthis sp.
Ulrich and Cooper 1936
|
|||||||
|
Trilobita
- Corynexochida
- Leiostegiidae
|
|||||||
|
Szechuanella sp.
Lu 1962
|
|||||||
|
Trilobita
- Asaphida
- Taihungshaniidae
|
|||||||
|
Asaphopsis sp.
Mansuy 1920
|
|||||||
|
Trilobita
- Asaphida
- Nileidae
|
|||||||
|
Symphysurus sp.
Goldfuss 1843
|
|||||||
|
Trilobita
- Asaphida
- Remopleurididae
|
|||||||
|
Remopleurides sp.
Portlock 1843
|
|||||||
|
Trilobita
- Asaphida
- Asaphidae
|
|||||||
|
Asaphellus sp.
Callaway 1877
|
|||||||
|
Trilobita
- Asaphida
- Hungaiidae
|
|||||||
|
Dactylocephalus sp.
Hsu 1948
|
|||||||
|
Trilobita
- Ptychopariida
- Shumardiidae
|
|||||||
|
Shumardia sp.
Billings 1862
|
|||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Guizhou |
| Coordinates: | 28.0° North, 109.0° East (view map) | ||
| Paleocoordinates: | 20.0° North, 142.3° East | ||
| Geographic resolution: | local area |
Time
| 10 m.y. bin: | Cambrian-Ordovician | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Tremadoc |
| Key time interval: | Tremadoc | ||
| Age range of interval: | 485 - 477.7 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Tongzi |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | dolomitic lithified "limestone" |
| Secondary lithology: | "shale" |
| Lithology description: limestone, shale, and dolostone | |
| Environment: | shallow subtidal indet. |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7387 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-05-25 06:48:50 | 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:
| 475. | Guizhou Stratigraphic Work Group. 1977. Regional stratigraphic table of the southwestern region of China, Guizhou part. Geological Publishing House, Beijing [A. Miller/P. Novack-Gottshall] |