SAM Cave (Bot 4): Irvingtonian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Carnivora
- Mustelidae
|
||||||||||
|
Taxidea taxus
(Schreber 1778)
|
1 specimen | |||||||||
|
Mammalia
- Carnivora
- Canidae
|
||||||||||
|
Vulpes vulpes
(Linnaeus 1758)
|
1 specimen | |||||||||
|
Mammalia
- Lagomorpha
- Leporidae
|
||||||||||
|
Sylvilagus sp.
Gray 1867
|
3 specimens | |||||||||
|
Mammalia
- Rodentia
- Cricetidae
|
||||||||||
|
Lemmiscus sp.
Thomas 1912
|
101 specimens | |||||||||
|
= Lemmiscus curtatus
Cope 1868
|
Alroy 2002 | |||||||||
| replaces ID of Repenning 1992 | ||||||||||
|
Peromyscus sp.
Gloger 1841
|
3 specimens | |||||||||
|
Neotoma cinerea
(Ord 1815)
|
3 specimens | |||||||||
|
Mictomys kansasensis
(Hibbard 1952)
|
1 specimen | |||||||||
| see also Repenning 1992 | ||||||||||
|
Allophaiomys sp.
Kormos 1932
|
25 specimens | |||||||||
| includes "Allophaiomys-Lemmiscus" intermediate; see also Repenning 1992 | ||||||||||
|
Phenacomys sp.
Merriam 1889
|
3 specimens | |||||||||
|
= Microtus cf. californicus
Peale 1848
|
Alroy 2002 | |||||||||
| replaces ID of Repenning 1992 | ||||||||||
|
Reithrodontomys megalotis
(Baird 1858)
|
19 specimens | |||||||||
|
Mammalia
- Rodentia
- Sciuridae
|
||||||||||
|
Spermophilus tridecemlineatus
(Mitchell 1821)
|
31 specimens | |||||||||
|
Cynomys sp.
Rafinesque 1817
|
10 specimens | |||||||||
|
Cynomys ludovicianus
(Ord 1815)
|
31 specimens | |||||||||
|
Spermophilus lateralis
(Say 1823)
|
6 specimens | |||||||||
| recombined as Callospermophilus lateralis | ||||||||||
|
Spermophilus variegatus
(Erxleben 1777)
|
11 specimens | |||||||||
| recombined as Otospermophilus variegatus | ||||||||||
|
Mammalia
- Rodentia
- Geomyidae
|
||||||||||
|
Thomomys sp.
Wied-Neuwied 1839
|
19 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Rio Arriba |
| Coordinates: | 36.5° North, 107.0° West (view map) | ||||
| Paleocoordinates: | 36.5° North, 106.8° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Irvingtonian | ||
| Age range of interval: | 1.40000 - 0.21000 m.y. ago |
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 258 specimens |
| Taxonomic list comments:first mentioned by Repenning 1992, who gave a preliminary list of the microtines only NISP 258 said to be younger than Under Arch and older than the LB collections, but direct stratigraphic superposition is not indicated said to be early Pleistocene | |
Metadata
| Also known as: | BOT-4; NMMNH L-4394 | ||
| Database number: | 20505 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2002-06-03 03:27:44 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2940. | K. L. Rogers, C. A. Repenning, F. G. Luiszer and R. D. Benson. 2000. Geologic history, stratigraphy, and paleontology of SAM Cave, north-central New Mexico. New Mexico Geology 22(4):89-117 [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] |