Grant Lease: Clarendonian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Perissodactyla
- Equidae
|
||||||||||
|
Cormohipparion occidentale
(Leidy 1856)
|
Hulbert 1989 | |||||||||
|
= Hippotherium sp.
Kaup 1832
|
Alroy 2002 | |||||||||
| pers. commun. | ||||||||||
|
Neohipparion affine
(Leidy 1869)
|
Hulbert 1987 | |||||||||
|
Pseudhipparion hessei
Webb and Hulbert 1986
|
Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
|
Pliohippus pernix
Marsh 1874
|
Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
|
Calippus placidus
(Leidy 1869)
|
Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
|
Calippus martini
Hesse 1936
|
Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
|
Calippus regulus n. sp.
Johnston 1937
|
Johnston 1937 | |||||||||
|
Hypohippus affinis
(Leidy 1858)
|
||||||||||
|
Mammalia
- Carnivora
- Canidae
|
||||||||||
|
Aelurodon taxoides
Hatcher 1894
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Donley |
| Coordinates: | 35.0° North, 100.8° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 98.3° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5-6 | ||
| *Period: | Tertiary | ||
| Key time interval: | Clarendonian | ||
| Age range of interval: | 12.50000 - 9.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:equids: Hulbert 1989 pers. commun. may include record of Hypohippus affinis Forsten 1975 from TMM 40282 "N of S fork of Red River" | |
Metadata
| Also known as: | Grant Quarry | ||
| Database number: | 18179 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | B. Allen | Research group: | vertebrate |
| Created: | 1992-08-05 00:00:00 | Last modified: | 2023-07-29 09:13:08 |
| Access level: | the public | Released: | 1992-08-05 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6207. | G. E. Schultz. 1990. Stop 14: The Clarendonian faunas of the Texas and Oklahoma panhandles. 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 83-93 [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] | |
| 3850 | 5% 23520 | R. C. Hulbert, Jr. 1987. Late Neogene Neohipparion (Mammalia, Equidae) from the Gulf Coastal Plain of Florida and Texas. Journal of Paleontology 61(4):809-830 [J. Alroy/M. Sommers/J. Alroy] |
| 1952 | R. C. Hulbert, Jr. 1989. Phylogenetic Interrelationships and Evolution of North American Late Equidae. In D. R. Prothero and R. M. Schoch (eds.), The Evolution of Perissodactyls [J. Alroy/J. Alroy/M. Uhen] | |
| 2042 | C. S. Johnston. 1937. Description of a New Horse, Calippus regulus from the Clarendon Beds of Donley County, Texas. American Midland Naturalist 18(5):905-907 [J. Alroy/J. Alroy/J. Marcot] |