Hookers Prairie Mine: Tortonian, Florida
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Cetacea
|
|||||||
|
Scaldicetus sp.
Du Bus 1867
|
|||||||
|
Mammalia
- Sirenia
- Dugongidae
|
|||||||
|
Metaxytherium floridanum
Hay 1922
|
Domning 1988 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Florida | County: | Polk |
| Coordinates: | 27.8° North, 81.9° West (view map) | ||||
| Paleocoordinates: | 28.0° North, 80.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | local area |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Tortonian | ||
| Age range of interval: | 11.63000 - 7.24600 m.y. ago |
Stratigraphy
| Geological group: | Hawthorn | Formation: | Peace River | Member: | Bone Valley |
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Agricola Fauna, lower beds
Previously Barstovian, but Missimer (1999) suggested that the Peace River Formation in Florida was likely deposited between 11-4.3Ma. The lower sequence is Tortonian, deposited between 11-8.5Ma, and the upper sequence is Zanclean and deposited between 5.2-4.3Ma | |||||
Lithology and environment
| Primary lithology: | pebbly,phosphatic lithified argillaceous,sandy sandstone |
| Includes fossils? | Y |
| Lithology description: Clastic rock unit consisting primarily of pebble- to sand-sized phosphates in a matrix of clay and quartz sand. | |
| Environment: | lagoonal |
| Geology comments: Bone Valley Formation environment consists of shallow lagoons and bays along the coast. | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
| Associated major elements: | none |
| Disassociated major elements: | many |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | salvage,field collection |
| Collection size: | 2 specimens |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 45476 | ||
| Authorizer: | M. Uhen | Enterer: | N. Pyenson, M. Uhen |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2004-10-25 06:26:32 | Last modified: | 2022-04-28 04:54:50 |
| Access level: | the public | Released: | 2004-10-25 06:26:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 2613. | G. S. Morgan. 1994. Miocene and Pliocene marine mammal faunas from the Bone Valley Formation of central Florida. Contributions in Marine Mammal Paleontology Honoring Frank C. Whitmore Jr., Proceedings of the San Diego Society of Natural History 29:239-268 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 16572 | D. P. Domning. 1988. Fossil Sirenia of the West Atlantic and Caribbean region. I. Metaxytherium floridanum Hay, 1922. Journal of Vertebrate Paleontology 8(4):395-426 [M. Uhen/M. Uhen] |