American Cyanimid Company: Tortonian, Florida
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Proboscidea
- Mammutidae
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Pliomastodon sellardsi n. sp.
Simpson 1930
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| synonym of Mammut matthewi | ||||||||||
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Mammalia
- Proboscidea
- Gomphotheriidae
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Serridentinus floridanus
(Leidy 1886)
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| recombined as Amebelodon floridanus | ||||||||||
| and "S. brewsterensis": the latter is compared to "S." praecursor and "S." anguirvalis; may include type of "Serridentinus bifoliatus" of Osborn 1929 from "Brewster, Polk County... Upper Pliocene (?), Alachua clays" | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Neohipparion eurystyle
(Cope 1893)
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Hulbert 1987 | |||||||||
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Hipparion phosphorum n. sp.
Simpson 1930
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| synonym of Neohipparion eurystyle | ||||||||||
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Cormohipparion emsliei
Hulbert 1988
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= Hippotherium emsliei
Hulbert 1988
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Hulbert 1988 | |||||||||
| original and current combination Cormohipparion emsliei | ||||||||||
| "Brewster Mine" | ||||||||||
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Hipparion minor n. sp.
Sellards 1916
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| synonym of Nannippus aztecus | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras proterum
(Leidy 1885)
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| "proterus" | ||||||||||
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Aphelops longipes
(Leidy 1890)
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Mammalia
- Cetacea
- Physeteridae
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Kogiopsis floridana n. gen., n. sp.
Kellogg 1929
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Kellogg 1929 | |||||||||
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Mammalia
- Cervidae
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Cervidae indet.
Gray 1821
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Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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Mammalia
- Tayassuidae
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Prosthennops sp.
Matthew and Gidley 1904
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= Tayassuidae indet.
Palmer 1897
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Alroy 2002 | |||||||||
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Mammalia
- Carnivora
- Ursidae
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Agriotherium schneideri n. sp.
Sellards 1916
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| recombined as Huracan schneideri | ||||||||||
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Mammalia
- Carnivora
- Mustelidae
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Enhydritherium terraenovae
Berta and Morgan 1985
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Morgan 1994 | |||||||||
| "Brewster Mine" | ||||||||||
| 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, 79.9° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
| *Period: | Tertiary | ||
| Key time interval: | Tortonian | ||
| Age range of interval: | 11.63000 - 7.24600 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Hawthorn | Formation: | Peace River | Member: | Bone Valley |
| Stratigraphy comments: Clarendonian; 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 argillaceous,sandy sandstone |
| Includes fossils? | Y |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:Morgan 1986 repeats most of Simpson's list and gives no indication that the fauna is mixed"Hipparion ingenuum" is omitted by Hulbert 1988c | |
Metadata
| Also known as: | Amalgamated Phosphate Mine; Brewster Phosphate Mine | ||
| Database number: | 18505 | ||
| Authorizer: | J. Alroy, M. Uhen | Enterer: | J. Alroy, N. Pyenson |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 1994-07-26 00:00:00 | Last modified: | 2022-04-28 04:53:16 |
| Access level: | the public | Released: | 1994-07-26 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2609. | G. S. Morgan. 1986. The so-called giant Miocene dolphin Megalodelphis magnidens Kellogg (Mammalia: Cetacea) is actually a crocodile (Reptilia: Crocodilia). Journal of Paleontology 60(2):411-417 [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] | |
| 3850 | 5% 23520 | R. C. Hulbert, Jr. 1987. Late Neogene Neohipparion (Mammalia, Equidae) from the Gulf Coastal Plain of Florida and Texas. Journal of Paleontology 61(4):809-830 [J. Alroy/M. Sommers/J. Alroy] |
| 1950 | R. C. Hulbert, Jr. 1988. A new Cormohipparion (Mammalia, Equidae) from the Pliocene (latest Hemphillian and Blancan) of Florida. Journal of Vertebrate Paleontology 7(4):451-468 [J. Alroy/J. Alroy/R. Hulbert] | |
| 11916 | R. Kellogg. 1929. A new fossil toothed whale from Florida. American Museum Novitates 389:1-10 [M. Uhen/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] |