Bear Creek (Lower Titanotherium Beds): Chadronian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Brontotheriidae
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Brontotherium leidyi n. sp.
Osborn 1902
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= Megacerops sp.
Leidy 1870
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Alroy 2002 | |||||||||
| "positively recorded from the Lower Beds" Bear Creek according to Osborn 1929; "B. hypoceras" referred Osborn 1929: level "very doubtful" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Shannon |
| Coordinates: | 43.3° North, 102.5° West (view map) | ||||
| Paleocoordinates: | 44.6° North, 93.7° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Tertiary | ||
| Key time interval: | Chadronian | ||
| Age range of interval: | 37.00000 - 33.90000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Chadron |
| Stratigraphic resolution: | member |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Taxonomic list comments:relationship of unit to members of Clark and Beerbower 1967 unclear | |
Metadata
| Database number: | 16899 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 2698. | H. F. Osborn. 1902. The four phyla of Oligocene titanotheres. Bulletin of the American Museum of Natural History 16(8):91-109 [J. Alroy/J. Alroy/T. Liebrecht] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |