Agate (4 Miles N): Harrisonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Antilocapridae
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Merycodus prodromus n. sp.
Cook 1934
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| nomen dubium belonging to Merycodus | ||||||||||
| (1 measurement) | ||||||||||
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Mammalia
- Rodentia
- Mylagaulidae
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Mesogaulus praecursor n. sp.
Cook and Gregory 1941
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Cook and Gregory 1941 | |||||||||
| from "Four miles north of Agate, Nebraska, 100 feet above base of Upper Harrison formation." | ||||||||||
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= Mesogaulus paniensis
Matthew 1902
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Korth 2000 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.3° North, 98.8° West | ||||
| Basis of coordinate: | based on political unit |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Tertiary | *Epoch: | Miocene |
| Key time interval: | Harrisonian | ||
| Age range of interval: | 23.10000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Hemingford | Formation: | Marsland | ||
| Local section: | PineR | Local bed: | 14 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: = Upper Harrison beds | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 17737 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 1998-09-21 00:00:00 | Last modified: | 2018-02-05 13:52:20 |
| Access level: | the public | Released: | 1998-09-21 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1268. | H. J. Cook. 1934. New artiodactyls from the Oligocene and Lower Miocene of Nebraska. American Midland Naturalist 15(2):148-165 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6582 | H. J. Cook and J. T. Gregory. 1941. Mesogaulus praecursor, a new rodent from the Miocene of Nebraska. Journal of Paleontology 15(5):549-552 [J. Alroy/J. Alroy/J. Alroy] | |
| 2143 | W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot] |