Gaowangou (locality 64017), Niusimiao, Weinan, Shaanxi: Late/Upper Eocene - Early/Lower Oligocene, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Brontotheriidae
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Brontotheriidae indet.
(Marsh 1873)
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Mammalia
- Perissodactyla
- Amynodontidae
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Amynodon sp.
Marsh 1877
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Sianodon gaowangouensis n. sp.
Li 2003
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Li 2003 | |||||||||
| IVPP V13381 - type | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | shaanxi | County: | Weinan |
| Coordinates: | 34.5° North, 109.5° East (view map) | ||||
| Paleocoordinates: | 35.3° North, 105.3° East | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene |
| Key time interval: | Late/Upper Eocene - Early/Lower Oligocene |
| Age range of interval: | 37.71000 - 27.82000 m.y. ago |
Stratigraphy
| Formation: | Bailuyuan | Member: | upper | ||
| Stratigraphy comments: There are three members in the Bailuyuan Formation, the upper, middle and lower. Fossils have been found in the upper and lower members, which are some 200m apart. The fauna in the upper member is found in large sandstone concretions predominantly in mudstones interbedded with white coarse-grained sandstones. |
Lithology and environment
| Primary lithology: | white sandstone |
| Includes fossils? | Y |
| Lithology description: 'a concretion in the white sandstones.' | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | concretion |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Site found by the Lantian research team of the Institute of Vertebrate Palaeontology and Palaeoanthropology (IVPP). | |
Metadata
| Database number: | 42749 | ||
| Authorizer: | A. Turner, P. Mannion | Enterer: | H. O'Regan, P. Mannion |
| Modifier: | P. Mannion | Research group: | PACED |
| Created: | 2004-08-05 03:59:47 | Last modified: | 2016-08-01 08:19:57 |
| Access level: | the public | Released: | 2004-08-05 03:59:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11354. | PACED | M. Chow. 1978. Tertiary mammal faunas of the Lantien Region, Shaanxi Province. Professional papers on Stratigraphy and Paleontology, Geological Publishing House, Peking. 7:98-108 [A. Turner/H. O'Regan/H. O'Regan] |
Secondary references:
| 57344 | Q. Li. 2003. New materials of Sianodon from Shaanxi, China. Vertebrata PalAsiatica 41(3):203-210 [P. Mannion/P. Mannion] |