Heping Village, Sect. 3, Loc. 12: Late Emsian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
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| ostracodes | ||||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Bivalvia
- Lucinida
- Mactromyidae
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Paracyclas sp.
Hall 1843
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Bivalvia
- Nuculanida
- Malletiidae
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| sp. B | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Guangxi | County: | Yongfu |
| Coordinates: | 25.0° North, 110.0° East (view map) | ||||
| Paleocoordinates: | 8.2° South, 83.5° East (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
| *Period: | Early/Lower Devonian | *Local age/stage: | Sipaian |
| Key time interval: | Late Emsian | ||
| Age range of interval: | 399.5 - 393.47 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Sipai | ||||
| Local section: | Heping Village 3 | Local bed: | 12 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 76 m thick. [JA: originally entered as Emsian; Polygnathus inversus and P. serotinus are present in the lowest unit, so the entire formation is late Emsian] | |||||
Lithology and environment
| Primary lithology: | gray lithified "shale" |
| Secondary lithology: | sandstone |
| Lithology description: light-gray fine-grained sandstone intercalated with shale. | |
| 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: | 4797 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-08-24 13:31:25 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2000-11-20 13:53:23 |
| Creative Commons license: | CC0 |
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] |