Head of Barrel Spring Arroyo: Torrejonian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Periptychidae
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Periptychus carinidens
Cope 1881
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| see common names | |||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | San Juan |
| Coordinates: | 36.3° North, 108.2° West (view map) | ||||
| Paleocoordinates: | 42.9° North, 88.3° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| 10 m.y. bin: | Cenozoic 1 | ||
| *Period: | Tertiary | ||
| Key time interval: | Torrejonian | ||
| Age range of interval: | 63.80000 - 60.90000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Nacimiento | ||||
| Local section: | Barrl | Local bed: | 5 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: within and not close to the bottom of a normal magnetic polarity zone in the Barrel Spring Arroyo = De-na-zin Wash section interpreted as C28n based on the position of the K-T boundary in the section: see Butler et al. 1977, Lucas et al. 1997 | |||||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:above Barrel Spring Taeniolabis Zone identical to list 9 of Williamson 1996 in a magnetically normal part of the local section that probably represents chron 28N | |
Metadata
| Also known as: | Three Miles Above Ojo Alamo | ||
| Database number: | 14856 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1994-04-30 00:00:00 | Last modified: | 2007-11-16 11:14:59 |
| Access level: | the public | Released: | 1994-04-30 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3649. | T. E. Williamson and S. G. Lucas. 1993. Paleocene vertebrate paleontology of the San Juan Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:105-136 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 2319 | S. G. Lucas, T. E. Williamson, and M. D. Middleton. 1997. Catopsalis (Mammalia: Multituberculata) from the Paleocene of New Mexico and Utah: taxonomy and biochronological significance. Journal of Paleontology 71(3):484-492. [J. Alroy/J. Alroy/K. Maguire] |