Y4 - Yuandun section, sample level 4: Arenigian, China
collected by Turvey 1998-1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Trinucleida
- Trinucleidae
|
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Hanchungolithinae indet.
Lu 1963
|
91 specimens | ||||||
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Trilobita
- Asaphida
- Asaphidae
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Ningkianites sp.
Lu 1975
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14 specimens | ||||||
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Trilobita
- Asaphida
- Remopleurididae
|
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Hexacopyge sp.
Yuan and Zhou
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2 specimens | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Shaanxi |
| Coordinates: | 33.1° North, 106.6° East (view map) | ||
| Paleocoordinates: | 15.8° North, 144.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician |
| 10 m.y. bin: | Ordovician 2 |
| Key time interval: | Arenigian |
| Age range of interval: | 477.70000 - 468.00000 m.y. ago |
Stratigraphy
| Formation: | Chaochiapa | ||||
| Local section: | Yuandun | Local bed: | 4 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: Approximately 9 m above base of section. | |||||
Lithology and environment
| Primary lithology: | green,yellow lithified "shale" |
| Secondary lithology: | quartzose lithified sandstone |
| Environment: | offshore |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | Turvey | Collection dates: | 1998-1999 |
| Taxonomic list comments:References focuses on trilobites. | |||
Metadata
| Database number: | 116187 | ||
| Authorizer: | A. Miller | Enterer: | S. Kolbe |
| Modifier: | S. Kolbe | Research group: | marine invertebrate |
| Created: | 2011-09-06 05:39:15 | Last modified: | 2011-09-05 15:49:50 |
| Access level: | the public | Released: | 2011-09-06 05:39:15 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 37454. | S. T. Turvey. 2005. Early Ordovician (Arenig) trilobite palaeoecology and palaeobiogeography of the South China Plate. Palaeontology 48(3):519-547 [A. Miller/S. Kolbe] |