Sierra Vieja, southwest: Early/Lower Campanian - Late/Upper Campanian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Onchosaurus sp.
Gervais 1852
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Texas | County: | Presidio |
| Coordinates: | 30.9° North, 105.1° West (view map) | ||||
| Paleocoordinates: | 37.7° North, 78.1° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian - Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | San Carlos |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | coal |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 91311 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2009-09-14 13:12:04 | Last modified: | 2016-05-04 16:34:18 |
| Access level: | the public | Released: | 2009-09-14 13:12:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 30710. | T. M. Lehman. 1989. Giant Cretaceous sawfish (Onchosaurus) from Texas. Journal of Paleontology 63(4):533-535 [M. Uhen/M. Uhen] |