Liufengshan Hill, Section 4, Loc. 30: Late/Upper Emsian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Pterineidae
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Leptodesma (Leptodesma) guangxiensis
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| sgn. (Leptodesma) | ||||||||||
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Leptodesma (Leptodesma) venusta
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| sgn. (Leptodesma) | ||||||||||
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Limoptera sp.
Hall 1869
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Bivalvia
- Pectinida
- Pterinopectinidae
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Lyriopecten ertangensis
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Bivalvia
- Nuculanida
- Cucullellidae
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Nuculites sp.
Conrad 1841
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| sp. B | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Guangxi | County: | Wuxuan |
| Coordinates: | 23.6° North, 109.7° East (view map) | ||||
| Paleocoordinates: | 1.2° North, 123.7° East | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
| *Period: | Early/Lower Devonian | *Local age/stage: | Sipaian |
| Key time interval: | Late/Upper Emsian | ||
| Age range of interval: | 398.30000 - 393.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ertang | Member: | Upper | ||
| Local section: | Liufengshan Hill 4 | Local bed: | 30 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 4 m thick. [JA: originally entered as Emsian; Polygnathus inversus and P. serotinus are present in the lowest unit of the "Sipaian Stage" (probably this formation), so it is late Emsian] | |||||
Lithology and environment
| Primary lithology: | gray lithified argillaceous "limestone" |
| Lithology description: dark gray argillaceous limestone. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 4808 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-08-24 15:03:42 | Last modified: | 2012-08-20 00:29:14 |
| Access level: | the public | Released: | 2000-11-20 13:53:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 274. | R. Zhang and J., J.r. Pojeta. 1986. Devonian sections in Guangxi from which pelecypods were collected. Devonian rocks and Lower and Middle pelecypods of Guangxi, China and the Traverse Group of Michigan. United States Geological Survery Professional Paper 1394(E):33-43 [J. Alroy/M. Sommers/P. Wagner] |