Piney River: Miocene, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Antilocapridae
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Antilocapridae indet.
Gray 1866
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Mammalia
- Merycoidodontidae
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Brachycrus laticeps
(Douglass 1900)
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= Brachycrus sp.
Matthew 1901
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Kelly and Lander 1988 | |||||||||
| invalid subgroup of Merycochoerus | ||||||||||
| "B. sp." | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Cynodesmus casei n. sp.
Wilson 1939
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= Paracynarctus kelloggi
Merriam 1911
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Alroy 2002 | |||||||||
| of J. Wilson 1939: from "Spruce Gulch 5 mi south of State Bridge"; see also Wang et al. 1999 | ||||||||||
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Mammalia
- Carnivora
- Amphicyonidae
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Amphicyon cf. major
De Blainville 1841
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= Amphicyon sp.
Lartet 1836
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Alroy 2002 | |||||||||
| questionable because European species are not recognized in North America by any other author, in particular Hunt 1998b | ||||||||||
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Mammalia
- Rodentia
- Mylagaulidae
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Mylagaulus laevis
Matthew 1902
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= Mylagaulidae indet.
Cope 1881
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Alroy 2002 | |||||||||
| indet. Tylocephalonyx sp. [Coombs 1979: "Chalicotheriidae indet." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Eagle |
| Coordinates: | 39.8° North, 106.6° West (view map) | ||||
| Paleocoordinates: | 40.4° North, 103.7° 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: | Miocene | ||
| Age range of interval: | 23.03000 - 5.33300 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | North Park |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Museum repositories: | USGS |
| Taxonomic list comments:locality information based on assumption that "Piney River" North Park Fm. locality of Coombs 1979, which yielded a chalicothere and Brachycrus sp., is the same as Izett's | |
Metadata
| Also known as: | Rickstrew Ranch; USGS D523 | ||
| Database number: | 19008 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-09-27 00:00:00 | Last modified: | 2002-06-03 03:27:43 |
| Access level: | the public | Released: | 1993-09-27 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2000. | G. A. Izett. 1975. Late Cenozoic sedimentation and deformation in northern Colorado and adjoining areas. Geological Society of America Memoir 144:179-209 [J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 2070 | T. S. Kelly and E. B. Lander. 1988. Biostratigraphy and Correlation of Hemingfordian and Barstovian Land Mammal Assemblages, Caliente Formation, Cuyama Valley Area, California. In W. J. M. Bazeley (ed.), Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California 1-19 [J. Alroy/J. Alroy/J. Marcot] |