Fence Pocket: Chadronian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Leptictis acutidens
(Douglass 1902)
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= informal Novacek leptictid acutidens
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Alroy 2002 | |||||||||
Leptictis thomsoni
(Matthew 1903)
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= informal Novacek leptictid thomsoni
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Alroy 2002 | |||||||||
Mammalia
- Lagomorpha
- Leporidae
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Megalagus brachyodon
(Matthew 1903)
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Palaeolagus temnodon
Douglass 1902
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Chadrolagus emryi
Gawne 1978
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Tabrum et al. 2001 | |||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys sp.
Leidy 1856
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said to be new | ||||||||||
Ischyromys veterior
Matthew 1903
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Mammalia
- Rodentia
- Cylindrodontidae
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Cylindrodon fontis
Douglass 1902
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Mammalia
- Rodentia
- Eomyidae
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Paradjidaumo trilophus
(Cope 1873)
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recombined as Adjidaumo trilophus | ||||||||||
Namatomys lloydi
Black 1965
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Mammalia
- Rodentia
- Eutypomyidae
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Eutypomys parvus
Lambe 1908
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mentioned in text but apparently accidentally shown in table to be from the Main Pocket | ||||||||||
Mammalia
- Oligoryctidae
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Oligoryctes altitalonidus
(Clark 1936)
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Mammalia
- Micropternodontidae
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Micropternodus borealis
Matthew 1903
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Mammalia
- Apternodontidae
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Apternodus mediaevus
Matthew 1903
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Mammalia
- Geolabididae
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Centetodon kuenzii
Lillegraven et al. 1981
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Mammalia
- Soricidae
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Domnina thompsoni
Simpson 1941
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Mammalia
- Carnivora
- Canidae
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Hesperocyon gregarius
(Cope 1873)
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Mammalia
- Leptochoeridae
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Stibarus montanus
Matthew 1903
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Tabrum et al. 2001 | |||||||||
Mammalia
- Leptomerycidae
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? Hendryomeryx sp.
Black 1978
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Tabrum et al. 2001 | |||||||||
additional "Leptomeryx," said to be "new species I" | ||||||||||
= Pipestoneia douglassi
Tabrum and Métais 2007
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Tabrum and Métais 2007 | |||||||||
"Leptomeryx" speciosus
Lambe 1908
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"Leptomeryx" mammifer
Cope 1885
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Mammalia
- Protoceratidae
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Leptotragulus profectus
Matthew 1903
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= Trigenicus profectus
Matthew 1903
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Alroy 2002 | |||||||||
Mammalia
- Merycoidodontidae
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Merycoidodontidae indet.
Cook 1912
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"Merycoidodon" originally described as "M. forsythae" by Schultz and Falkenbach 1968, which has been transferred to Miniochoerus; however, material has not been re-examined according to Stevens and Stevens 1996 | ||||||||||
Bathygenys alpha
Douglass 1902
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Mammalia
- Perissodactyla
- Equidae
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Miohippus grandis
(Clark and Beerbower 1967)
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Mammalia
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Copedelphys titanelix
(Matthew 1903)
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Herpetotherium valens
(Lambe 1908)
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Herpetotherium fugax
(Cope 1873)
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see common names |
Geography
Country: | United States | State/province: | Montana | County: | Jefferson |
Coordinates: | 46.0° North, 112.0° West (view map) | ||||
Paleocoordinates: | 47.8° North, 103.1° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
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: | Renova | Member: | Climbing Arrow |
Local section: | JeffB | Local bed: | 1 |
Local order: | bottom to top |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:0.5 mi SE of Main Pocket; apparently same horizon "? Hyracodon sp." is omitted by Tabrum et al. 2001 |
Metadata
Also known as: | MV 6103 | ||
Database number: | 16959 | ||
Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 2002-05-15 00:00:00 | Last modified: | 2006-09-13 00:27:33 |
Access level: | the public | Released: | 2002-05-15 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3359. | A. R. Tabrum, D. R. Prothero, and D. Garcia. 1996. Magnetostratigraphy and biostratigraphy of the Eocene-Oligocene transition, southwestern Montana. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 278-311 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
57250 | A. R. Tabrum and G. Métais. 2007. Pipestoneia douglassi, A New Genus and Species of Selenodont Artiodactyl from the Pipestone Springs Area, Jefferson County, Montana. Bulletin of Carnegie Museum of Natural History 39:83-96 [J. Marcot/J. Marcot/J. Marcot] | |
4220 | A. R. Tabrum, R. Nichols, and A. D. Barnosky. 2001. Tertiary paleontology of southwest Montana and adjacent Idaho. Museum of the Rockies Occasional Paper 3:93-112 [J. Alroy/J. Alroy/J. Alroy] |