Prairie Pebble Phosphate Co.: Tortonian, Florida
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cetacea
- Platanistidae
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Platanistidae indet.
(Gray 1846)
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Sellards 1915 | ||||||
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Mammalia
- Sirenia
- Dugongidae
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Metaxytherium floridanum n. sp.
Hay 1922
|
Hay 1922 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Florida | County: | Polk |
| Coordinates: | 27.9° North, 82.0° West (view map) | ||||
| Paleocoordinates: | 28.1° North, 80.1° West | ||||
| Basis of coordinate: | based on political unit | ||||
| 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: | bed | ||||
| Stratigraphy comments: 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 |
| Articulated whole bodies: | none |
| Associated major elements: | none |
| Disassociated major elements: | many |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | salvage,field collection |
| Collection size: | 1 specimens |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 45479 | ||
| Authorizer: | M. Uhen | Enterer: | N. Pyenson, M. Uhen |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2004-10-25 06:57:13 | Last modified: | 2022-04-28 04:54:59 |
| Access level: | the public | Released: | 2004-10-25 06:57:13 |
| 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:
| 18771 | O. P. Hay. 1922. Description of a new fossil sea cow from Florida, Metaxytherium floridanum. Proceedings of the United States National Museum 61(17):1-4 [M. Uhen/M. Uhen] | |
| 15584 | E. H. Sellards. 1915. The Pebble Phosphates of Florida. Florida State Geological Survey Annual Report 7:25-116 [M. Uhen/M. Uhen] |