Grinnell Mammoth: Pleistocene, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Proboscidea
- Elephantidae
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Elephas primigenius
Blumenbach 1799
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| recombined as Mammuthus primigenius | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Iowa | County: | Poweshiek |
| Coordinates: | 41.7° North, 92.7° West (view map) | ||||
| Paleocoordinates: | 41.8° North, 92.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Pleistocene | Mammal zone: | |
| Age range of interval: | 2.58000 - 0.01170 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | coarse,pebbly unlithified claystone |
| Includes fossils? | Y |
| Lithology description: Badly broken mammoth bones in the drift clay and pebbles | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body,cast,original aragonite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all macrofossils |
| Collection methods: | selective quarrying,observed (not collected) |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Workmen, while engaged in excavating an enormous well to supply the water-tanks of the Iowa Central Railroad, came upon certain badly broken mammoth
bones | |
Metadata
| Database number: | 94578 | ||
| Authorizer: | M. Uhen | Enterer: | S. Tucker |
| Modifier: | S. Tucker | Research group: | vertebrate |
| Created: | 2010-03-01 13:20:58 | Last modified: | 2010-03-01 15:34:22 |
| Access level: | the public | Released: | 2010-03-01 13:20:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32187. | E. H. Barbour. 1890. Remains of the primitive elephant found in Grinnell, Iowa. Science 16:263-263 [M. Uhen/S. Tucker] |