Screw Bean: early Early Hemphillian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Heteromyidae
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Heteromyinae indet.
Gray 1868
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"probably Perognathus sp." | ||||||||||
Mammalia
- Rodentia
- Sciuridae
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Otospermophilus sp.
Brandt 1844
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= Spermophilus sp.
Cuvier 1825
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Alroy 2002 | |||||||||
said to be new | ||||||||||
Mammalia
- Lagomorpha
- Leporidae
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Hypolagus sp.
Dice 1917
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= Archaeolaginae indet.
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Alroy 2002 | |||||||||
said to be new | ||||||||||
Mammalia
- Carnivora
- Mephitidae
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Buisnictis sp.
Hibbard 1950
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said to be new (1 measurement) | ||||||||||
= Buisnictis chisoensis n. sp.
Stevens and Stevens 2003
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Stevens and Stevens 2003 | |||||||||
recombined as Martinogale chisoensis | ||||||||||
TMM 42247 | ||||||||||
Mammalia
- Carnivora
- Mustelidae
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Martes sp.
Frisch 1775
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TMM 42247 | ||||||||||
Mammalia
- Carnivora
- Felidae
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? Pseudaelurus sp.
Leidy 1858
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Stevens and Stevens 2003 | |||||||||
TMM 42247 | ||||||||||
cf. Nimravides catocopis
(Cope 1887)
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Stevens and Stevens 2003 | |||||||||
original and current combination Machairodus catocopis | ||||||||||
TMM 42124, 42247 | ||||||||||
Mammalia
- Carnivora
- Canidae
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cf. Eucyon sp.
Tedford and Qiu 1996
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Stevens and Stevens 2003 | |||||||||
TMM 42247 | ||||||||||
Leptocyon cf. vafer
(Leidy 1858)
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= Vulpes sp.
Frisch 1775
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Stevens and Stevens 2003 | |||||||||
TMM 42247 | ||||||||||
Borophaginae indet.
Simpson 1945
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= Epicyon haydeni
Leidy 1858
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Stevens and Stevens 2003 | |||||||||
TMM 42247, 42252 | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Equini indet.
Quinn 1955
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"cf. Pliohippus or Astrohippus" | ||||||||||
Hipparionini indet.
Quinn 1955
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"cf. Neohipparion or Cormohipparion" | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Rhinocerotidae indet.
Gray 1821
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Mammalia
- Antilocapridae
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Antilocapridae indet.
Gray 1866
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Mammalia
- Camelidae
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? Megatylopus sp.
(Matthew and Cook 1909)
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original and current combination Pliauchenia (Megatylopus) | ||||||||||
Hemiauchenia sp.
Gervais and Ameghino 1880
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see common names |
Geography
Country: | United States | State/province: | Texas | County: | Brewster |
Coordinates: | 29.3° North, 103.0° West (view map) | ||||
Paleocoordinates: | 29.6° North, 101.4° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | local area |
Time
Period: | Neogene | ||
10 m.y. bin: | Cenozoic 6 | ||
*Period: | Tertiary | *Epoch: | Miocene |
Key time interval: | early Early Hemphillian | ||
Age range of interval: | 9.40000 - 4.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Banta Shut-In | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: said to be earliest Hemphillian material is from throughout the section |
Lithology and environment
Primary lithology: | sandstone |
Secondary lithology: | conglomerate |
Lithology description: none given; section shows mixed sandstones and gravels | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Articulated whole bodies: | none |
Associated major elements: | some |
Disassociated major elements: | some |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | field collection |
Museum repositories: | TMM |
Metadata
Also known as: | TMM 42124, 42247, 42248, 42252 | ||
Database number: | 19538 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2003-12-29 18:22:43 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3224. | M. S. Stevens and J. B. Stevens. 1989. Neogene - Quaternary deposits and vertebrate faunas, Trans-Pecos Texas. Society of Vertebrate Paleontology Guidebook 67-90 [J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
9619 | M. S. Stevens and J. B. Stevens. 2003. Carnivora (Mammalia, Felidae, Canidae, Mustelidae) from the earliest Hemphillian Screw Bean Local Fauna, Big Bend National Park, Brewster County, Texas. Bulletin of the American Museum of Natural History 279:177-211 [J. Alroy/J. Alroy/J. Alroy] |