Majiashan, Caoxian (lower Biandanshan Mb): Spathian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ceratitida
- Aspenitidae
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Aspenites chaoxianensis n. sp.
Guo 1982
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Cephalopoda
- Ceratitida
- Sibiritidae
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? Sibirites crassicostatus
Guo 1982
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Sibirites eichwaldi
(Keyserling 1845)
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Cephalopoda
- Ceratitida
- Tirolitidae
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? Tirolites jiangsuensis
Guo 1982
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| (1 measurement) | ||||||||||
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Tirolites latiumbilicatus n. sp.
Guo 1982
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| (1 measurement) | ||||||||||
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Cephalopoda
- Phylloceratida
- Nordophiceratidae
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Nordophiceras chaoxianense n. sp.
Guo 1982
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| (2 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Anhui |
| Coordinates: | 31.6° North, 117.8° East (view map) | ||
| Paleocoordinates: | 20.1° North, 99.8° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | ||
| Age range of interval: | 248.90000 - 247.20000 m.y. ago |
Stratigraphy
| Formation: | Biandanshan |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified claystone |
| Environment: | basinal (carbonate) |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | NIGPAS |
Metadata
| Database number: | 150818 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-09-15 13:10:20 | Last modified: | 2013-09-14 22:10:20 |
| Access level: | the public | Released: | 2013-09-15 13:10:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 48195. | P. X. Guo. 1982. On the occurrence of late Lower Triassic ammonoids from Anhui and Jiangsu. Acta Palaeontologica Sinica 21:560-567 [M. Clapham/M. Clapham] |