Screw Bean: early Early Hemphillian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Lagomorpha - Leporidae
Hypolagus sp. Dice 1917
    = Archaeolaginae indet.
Alroy 2002
said to be new
Mammalia - Rodentia - Sciuridae
Otospermophilus sp. Brandt 1844
    = Spermophilus sp. Cuvier 1825
Alroy 2002
said to be new
Mammalia - Rodentia - Heteromyidae
Heteromyinae indet. Gray 1868
"probably Perognathus sp."
Mammalia - Carnivora - Canidae
Leptocyon cf. vafer (Leidy 1858)
    = Vulpes sp. Frisch 1775
Stevens and Stevens 2003
TMM 42247
cf. Eucyon sp. Tedford and Qiu 1996
Stevens and Stevens 2003
TMM 42247
Borophaginae indet. Simpson 1945
    = Epicyon haydeni Leidy 1858
Stevens and Stevens 2003
TMM 42247, 42252
Mammalia - Carnivora - Mustelidae
Martes sp. Frisch 1775
TMM 42247
Mammalia - Carnivora - Mephitidae
Buisnictis sp. Hibbard 1950
said to be new (1 measurement)
    = Buisnictis chisoensis n. sp. Stevens and Stevens 2003
Stevens and Stevens 2003
recombined as Martinogale chisoensis
TMM 42247
Mammalia - Carnivora - Felidae
cf. Nimravides catocopis (Cope 1887)
Stevens and Stevens 2003
original and current combination Machairodus catocopis
TMM 42124, 42247
? Pseudaelurus sp. Leidy 1858
Stevens and Stevens 2003
TMM 42247
Mammalia - Perissodactyla - Equidae
Hipparionini indet. Quinn 1955
"cf. Neohipparion or Cormohipparion"
Equini indet. Quinn 1955
"cf. Pliohippus or Astrohippus"
Mammalia - Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821
Mammalia - Antilocapridae
Antilocapridae indet. Gray 1866
Mammalia - Camelidae
? Megatylopus sp. (Matthew and Cook 1909)
original and current combination Pliauchenia (Megatylopus)
Hemiauchenia sp. Gervais and Ameghino 1880
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]