Mesa de Borregos: Chattian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Perissodactyla
- Desmostylidae
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aff. Cornwallius sp.
Hay 1923
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3 specimens | |||||||||
Mammalia
- Cetacea
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Odontoceti indet.
Flower 1867
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1 specimen | |||||||||
"porpoise" | ||||||||||
see common names |
Geography
Country: | Mexico | State/province: | Baja California Sur |
Coordinates: | 23.4° North, 109.5° West (view map) | ||
Paleocoordinates: | 22.3° North, 101.2° West | ||
Basis of coordinate: | estimated from map |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
Key time interval: | Chattian | ||
Age range of interval: | 28.10000 - 23.03000 m.y. ago |
Stratigraphy
Formation: | El Cien |
Lithology and environment
Primary lithology: | phosphatic sandstone |
Includes fossils? | Y |
Environment: | marine indet. |
Taphonomy
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 66427 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2006-10-09 08:10:35 | Last modified: | 2008-08-18 15:26:24 |
Access level: | the public | Released: | 2006-10-09 08:10:35 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
18985. | S. P. Applegate. 1986. The El Cien Formation, Strata of Oligocene and early Miocene age in Baja California Sur. Revista 6(2):145-162 [M. Uhen/M. Uhen] |