LACM 4318: Aquitanian, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Chondrichthyes
- Lamniformes
- Megachasmidae
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Megachasma applegatei
Shimada et al. 2014
|
7 specimens | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Lincoln |
| Coordinates: | 44.6° North, 124.1° West (view map) | ||||
| Paleocoordinates: | 44.4° North, 116.6° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Aquitanian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Aquitanian | ||
| Age range of interval: | 23.03000 - 20.44000 m.y. ago |
Stratigraphy
| Formation: | Nye |
Lithology and environment
| Primary lithology: | mudstone |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | LACM |
Metadata
| Database number: | 169440 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2015-05-26 12:01:26 | Last modified: | 2018-09-06 09:48:24 |
| Access level: | the public | Released: | 2015-05-26 12:01:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 55383. | K. Shimada, B. J. Welton, and D. J. Long. 2014. A new fossil megamouth shark (Lamniformes, Megachasmidae) from the Oligocene-Miocene of the western United States. Journal of Vertebrate Paleontology 34(2):281-290 [P. Holroyd/P. Holroyd] |