Units 13 and 14, SanQiaoJia Fm., Xindian, Qiaojia Co., Yunnan Prov., China: Early/Lower Llanvirn, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Dendroidea
- Acanthograptidae
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Dictyonema sp.
Hall 1851
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Pterobranchia
- Graptoloidea
- Glossograptidae
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Glossograptus sp.
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Aristocystitidae
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Sinocystis sp.
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Strophomenata
- Strophomenida
- Leptellinidae
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Leptellina sp.
Ulrich and Cooper 1936
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Trilobita
- Asaphida
- Asaphidae
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Isoteloides sp.
Raymond 1910
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Birmanites sp.
Sheng 1934
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Trilobita
- Lichida
- Lichidae
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Conolichas sp.
(Dames 1877)
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| original and current combination Lichas (Conolichas) | |||||||
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Metopolichas sp.
(Gürich 1901)
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| original and current combination Lichas (Metopolichas) | |||||||
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Trilobita
- Phacopida
- Calymenidae
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Calymenesum sp.
(Kobayashi 1951)
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| Calymenesun | |||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan | County: | Qiaojia |
| Coordinates: | 27.0° North, 103.0° East (view map) | ||||
| Paleocoordinates: | 19.9° North, 136.7° East | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| 10 m.y. bin: | Ordovician 2-3 | ||
| *Period: | Middle Ordovician | *Epoch: | Early/Lower Llanvirn |
| *International age/stage: | Early/Lower Llanvirn | ||
| Key time interval: | Early/Lower Llanvirn | ||
| Age range of interval: | 468.40000 - 461.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Sanqiaojia |
| Local section: | 13/14 |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | hematitic,gray,green lithified silty mudstone |
| Secondary lithology: | sandstone |
| Lithology description: grayish green silty mudstone, oolitic-like hematite, and grayish fine-grained sandstone | |
| Environment: | shoreface |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7290 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-05-22 18:03:50 | Last modified: | 2000-05-22 21:03:50 |
| Access level: | the public | Released: | 2000-11-20 13:53:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 288. | R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall] |