Grey Zone Phosphoria Mine: Early/Lower Clarendonian, Florida
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Sirenia
- Dugongidae
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Metaxytherium floridanum
Hay 1922
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Domning 1988 | |||||||||
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Mammalia
- Cetacea
- Ziphiidae
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Ziphiidae indet.
Gray 1850
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Morgan 1994 | |||||||||
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Mammalia
- Perissodactyla
- Equidae
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Cormohipparion ingenuum
(Leidy 1885)
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= Hippotherium ingenuum
Leidy 1885
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Alroy 2002 | |||||||||
| recombined as Cormohipparion ingenuum | ||||||||||
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Pseudhipparion curtivallum
(Quinn 1955)
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Nannippus sp.
(Matthew 1926)
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| "A" | ||||||||||
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Calippus sp.
(Matthew and Stirton 1930)
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| original and current combination Protohippus (Calippus) | ||||||||||
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Calippus martini
Hesse 1936
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Protohippus supremus
Leidy 1869
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Florida | County: | Polk |
| Coordinates: | 27.9° North, 81.8° West (view map) | ||||
| Paleocoordinates: | 28.1° North, 79.3° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5-6 | ||
| *Period: | Tertiary | ||
| Key time interval: | Early/Lower Clarendonian | ||
| Age range of interval: | 12.50000 - 9.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Hawthorn | Formation: | Peace River | Member: | Bone Valley |
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: lower beds | |||||
Lithology and environment
| Primary lithology: | pebbly,phosphatic argillaceous,sandy sandstone |
| Includes fossils? | Y |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:equids onlyPhosphoria Mine records of unclear stratigraphic origin: Epicyon haydeni Wang et al. 1999 Borophagus pugnator Wang et al. 1999 "Cormohipparion cf. occidentale" Hipparion cf. tehonense Dinohippus mexicanus MacFadden 1986 "Cormohipparion" emsliei Hulbert 1988b | |
Metadata
| Database number: | 18536 | ||
| Authorizer: | J. Alroy, M. Uhen | Enterer: | J. Alroy, M. Uhen, N. Pyenson |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 1993-09-27 00:00:00 | Last modified: | 2018-02-05 15:48:56 |
| Access level: | the public | Released: | 1993-09-27 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1951. | R. C. Hulbert, Jr. 1988. Cormohipparion and Hipparion (Mammalia, Perissodactyla, Equidae) from the Late Neogene of Florida. Bulletin of the Florida State Museum, Biological Sciences 33(5):229-338 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 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] | |
| 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] |