Guojiashan Section, Bed 18-1: Anisian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Mathildidae
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Mathildidae indet.
Dall 1889
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1 specimen | |||||||||
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Gastropoda
- Murchisoniina
- Wortheniellidae
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Ananias johannisaustriae
(Klipstein 1843)
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1 specimen | |||||||||
| recombined as Rinaldoella johannisaustriae | ||||||||||
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Gastropoda
- Neritariidae
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Neritaria sphaeroidica
Picard 1903
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3 specimens | |||||||||
| (3 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Gansu |
| Coordinates: | 33.9° North, 104.5° East (view map) | ||
| Paleocoordinates: | 17.9° North, 87.5° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Anisian | ||
| Age range of interval: | 247.20000 - 242.00000 m.y. ago |
Stratigraphy
| Formation: | Guojiashan |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 119263 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-10-22 15:31:38 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2011-10-22 15:31:38 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11701. | J. Tong and D.H. Erwin. 2001. Triassic gastropods of the southern Qinling Mountains, China. Smithsonian Contributions to Paleobiology 92:1-47 [P. Wagner/P. Wagner/P. Wagner] |