Shanyanggou (locality 63704), Maoxicun village, southeast of Xi'an, Shaanxi: Late/Upper Eocene - Early/Lower Oligocene, China
collected 1959
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
| Country: | China | State/province: | shaanxi | County: | Xi'an |
| Coordinates: | 34.3° North, 108.9° East (view map) | ||||
| Paleocoordinates: | 35.0° North, 104.8° East | ||||
| Basis of coordinate: | based on nearby landmark |
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 | ||
| Stratigraphic resolution: | bed | ||||
| 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.
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Lithology and environment
| Primary lithology: | gray,white sandstone |
| Includes fossils? | Y |
| Lithology description: 1 specimen found in grey-white sandstone, 1 in a sandstone concretion. | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | concretion |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection size: | 2 specimens |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | IVPP | Collection dates: | 1959 |
| Collection method comments: Specimens found in 1959 and 1963. 1 mandible and 1 'dentition'. 1963 specimen found by the Lantian research team of the Institute of Vertebrate Palaeontology and Palaeoanthropology (IVPP). | |
Metadata
| Also known as: | Maoxicun Sian | ||
| Database number: | 42688 | ||
| Authorizer: | A. Turner | Enterer: | H. O'Regan |
| Modifier: | P. Mannion | Research group: | PACED |
| Created: | 2004-08-04 09:16:44 | Last modified: | 2016-08-01 09:31:05 |
| Access level: | the public | Released: | 2004-08-04 09:16:44 |
| 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:
| 60026 | Y.-X. Xu. 1965. A New Genus of Amynodont from the Eocene of Lantian, shensi. Vertebrata PalAsiatica 9(1):83-86 [P. Mannion/P. Mannion] |