Martin Ranch (Upper): Irvingtonian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cingulata
- Glyptodontidae
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Glyptotherium sp.
Osborn 1903
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= Glyptotherium cf. arizonae
Gidley 1926
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Dalquest and Schultz 1992 | |||||||||
| synonym of Glyptotherium texanum | ||||||||||
| "Glyptodont" of Schultz 1990b | ||||||||||
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Mammalia
- Mylodontidae
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Glossotherium sp.
Owen 1840
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= Mylodontidae indet.
Ameghino 1889
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Alroy 2002 | |||||||||
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Mammalia
- Proboscidea
- Gomphotheriidae
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Stegomastodon barbouri
(Osborn 1921)
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= Morrillia barbouri
Osborn 1921
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Schultz 1990 | |||||||||
| "S. sp." | ||||||||||
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Mammalia
- Proboscidea
- Elephantidae
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Mammuthus cf. imperator
(Leidy 1858)
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| synonym of Mammuthus columbi | ||||||||||
| apparently at this level based on Madden 1983; M. sp. is present in any event | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Briscoe |
| Coordinates: | 34.5° North, 101.3° West (view map) | ||||
| Paleocoordinates: | 34.5° North, 101.1° West | ||||
| Basis of coordinate: | based on political unit |
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 |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Taxonomic list comments:above Cerro Toledo X ash; i.e., above the upper unit of the Cerro Toledo Rhyolite dated at 1.23 +/- 0.02 (KA on sanidine) by Izett et al. 1981; this is level 41 of Spell et al. 1996, who redate the unit at 1.212 +/- 0.009 Ma (isochron Ar/Ar on sanidine) |
Metadata
| Also known as: | Tule Canyon 2 | ||
| Database number: | 20412 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:44 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3083. | G. E. Schultz. 1986. U Tex Austin Bureau of Economic Geology Guidebook 22 [J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 6202 | W. W. Dalquest and G. E. Schultz. 1992. Ice Age mammals of northwestern Texas 1-309 [J. Alroy/J. Alroy/M. Uhen] | |
| 6206 | G. E. Schultz. 1990. Stop 8: Biostratigraphy and volcanic ash deposits of the Tule Formation, Briscoe County, Texas. In T. C. Gustavson (ed.), Tertiary and Quaternary stratigraphy and vertebrate paleontology of parts of northwestern Texas and eastern New Mexico; Guidebook - Bureau of Economic Geology, University of Texas at Austin 60-64 [J. Alroy/J. Alroy/J. Alroy] |