Vera: Irvingtonian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia
- Temnospondyli
- Hylidae
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Acris cf. crepitans
Baird 1854
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Chantell 1966 | |||||||||
UM-T1-58 | ||||||||||
Mammalia
- Rodentia
- Heteromyidae
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Perognathus sp.
Maximillian 1839
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= Chaetodipus hispidus
Baird 1858
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Dalquest and Schultz 1992 | |||||||||
Mammalia
- Rodentia
- Geomyidae
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Geomys tobinensis
(Hibbard 1944)
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Mammalia
- Rodentia
- Sciuridae
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Citellus sp.
Oken 1816
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= Spermophilus sp.
Cuvier 1825
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Cricetidae
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Ondatra annectens
(Brown 1908)
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Microtus paroperarius
Hibbard 1944
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Microtus australis
Martin 1995
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= Pedomys australis
Martin 1995
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Martin 1995 | |||||||||
original and current combination Microtus australis | ||||||||||
"P. llanensis" | ||||||||||
Onychomys sp.
Baird 1858
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= Onychomys hollisteri
Carleton and Eshelman 1979
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Dalquest and Schultz 1992 | |||||||||
Mammalia
- Soricidae
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Sorex cinereus
Kerr 1792
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Dalquest and Carpenter 1988 | |||||||||
Cryptotis parva
(Say 1823)
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Dalquest and Carpenter 1988 | |||||||||
Blarina cf. brevicauda
(Say 1823)
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confirmed by Jones et al. 1984 | ||||||||||
Mammalia
- Talpidae
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Scalopus sp.
Geoffroy 1803
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= Scalopus aquaticus
Linnaeus 1758
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Dalquest and Schultz 1992 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Texas | County: | Baylor and Knox |
Coordinates: | 33.8° North, 99.5° West (view map) | ||||
Paleocoordinates: | 33.8° North, 99.3° 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
Taxonomic list comments:immediately below Lava Creek B volcanic ash (see Rock Creek) Peromyscus cragini is not actually present: Dalquest and Carpenter 1988 Dalquest and Schultz 1992: second Ondatra sp.; said to be a contaminant by Martin 1996 considered a part of the "Cudahy fauna" sensu lato and removed from the Seymour Fm. by Hibbard 1975 |
Metadata
Also known as: | UM-T1-56, -57, -58 | ||
Database number: | 20560 | ||
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:
1899. | C. W. Hibbard and W. W. Dalquest. 1966. Contributions from the Museum of Paleontology, University of Michigan 21(1) [J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
25726 | C. J. Chantell. 1966. Late Cenozoic hylids from the Great Plains. Herpetologica 22(4):259-264 [J. Alroy/J. Alroy] | |
1319 | W. W. Dalquest and R. M. Carpenter. 1988. Early Pleistocene (Irvingtonian) mammals from the Seymour Formation, Knox and Baylor Counties, Texas, exclusive of Camelidae. Occasional Papers, Museum, Texas Tech University 124 [J. Alroy/J. Alroy/J. Ju] | |
6202 | W. W. Dalquest and G. E. Schultz. 1992. Ice Age mammals of northwestern Texas 1-309 [J. Alroy/J. Alroy/M. Uhen] | |
2445 | R. A. Martin. 1995. A new middle Pleistocene species of Microtus (Pedomys) from the southern United States, with comments on the taxonomy and early evolution of Pedomys and Pitymys in North America. Journal of Vertebrate Paleontology 15(1):171-186 [J. Alroy/J. Alroy/J. Alroy] |