Z4 - Zhaojiaba sample level 4: Arenigian, China
collected by Turvey 1998-1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Corynexochida
- Illaenidae
|
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Illaenus sinensis
Yabe 1920
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10 specimens | |||||||||
| Illaenidae indet. | ||||||||||
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Trilobita
- Trinucleida
- Raphiophoridae
|
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Rhombampyx yii
(Lu 1965)
|
10 specimens | |||||||||
| Raphiophorinae indet. | ||||||||||
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Trilobita
- Trinucleida
- Trinucleidae
|
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Hanchungolithinae indet.
Lu 1963
|
8 specimens | |||||||||
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Trilobita
- Asaphida
- Nileidae
|
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Nileus walcotti
Endo 1932
|
21 specimens | |||||||||
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Trilobita
- Asaphida
- Asaphidae
|
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? Ningkianites sp.
Lu 1975
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3 specimens | |||||||||
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Liomegalaspides blackwelderi
(Weller 1907)
|
10 specimens | |||||||||
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Opsimasaphus pseudodawanicus
|
51 specimens | |||||||||
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Trilobita
- Asaphida
- Remopleurididae
|
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Hexacopyge nasuta
(Lu 1957)
|
1 specimen | |||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Shaanxi |
| Coordinates: | 32.9° North, 106.3° East (view map) | ||
| Paleocoordinates: | 16.4° North, 143.7° 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: | Siliangssu | ||||
| Local section: | Zhaojiaba | Local bed: | 4 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: Approximately 85.5 m above base of section. | |||||
Lithology and environment
| Primary lithology: | gray lithified silty "shale" |
| Secondary lithology: | lithified silty mudstone |
| 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: | 116182 | ||
| Authorizer: | A. Miller | Enterer: | S. Kolbe |
| Modifier: | S. Kolbe | Research group: | marine invertebrate |
| Created: | 2011-09-06 05:35:26 | Last modified: | 2011-09-05 15:51:02 |
| Access level: | the public | Released: | 2011-09-06 05:35:26 |
| 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] |