Pitts Bridge: Pleistocene, Texas
collected by A. R. Cahn, W. A. Rounds
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Proboscidea
- Elephantidae
|
||||||||||
|
Elephas columbi
Falconer 1857
|
Cahn 1922 | |||||||||
| recombined as Mammuthus columbi | ||||||||||
|
Mammalia
- Proboscidea
- Mammutidae
|
||||||||||
|
Mastodon americanus
(Kerr 1792)
|
Cahn 1922 | |||||||||
| recombined as Mammut americanum | ||||||||||
| "Mastodon americanum" | ||||||||||
|
Elephas imperator
Leidy 1858
|
Cahn 1922 | |||||||||
| synonym of Mammut americanum | ||||||||||
|
Mammalia
- Proboscidea
- Gomphotheriidae
|
||||||||||
|
Gomphotherium gratum n. sp.
Hay 1916
|
1 individual | |||||||||
|
Mammalia
- Bovidae
|
||||||||||
|
? Bison sp.
Hamilton-Smith 1827
|
Cahn 1922 | |||||||||
|
Mammalia
- Camelidae
|
||||||||||
|
Camelops huerfanensis
(Cragin 1892)
|
Cahn 1922 | |||||||||
| synonym of Camelops hesternus | ||||||||||
|
Mammalia
- Perissodactyla
- Equidae
|
||||||||||
|
Equus complicatus
Leidy 1858
|
Cahn 1922 | |||||||||
|
Mammalia
- Megatheriidae
|
||||||||||
|
? Megatherium sp.
Cuvier 1796
|
Cahn 1922 | |||||||||
|
= Megatheriidae indet.
Gray 1821
|
Alroy 2008 | |||||||||
| misspelling Megatheriadae | ||||||||||
|
Mammalia
- Cingulata
- Pampatheriidae
|
||||||||||
|
Chlamytherium septentrionalis
(Leidy 1889)
|
Cahn 1922 | |||||||||
| recombined as Holmesina septentrionalis | ||||||||||
| see also James 1957 | ||||||||||
|
Reptilia
- Testudines
- Testudinidae
|
||||||||||
|
Testudo crassiscutata n. sp.
Leidy 1889
|
Cahn 1922 | |||||||||
| recombined as Hesperotestudo crassiscutata | ||||||||||
|
Reptilia
- Testudines
- Emydidae
|
||||||||||
|
Terrapene impressa n. sp.
Hay 1924
|
Hay 1924 | |||||||||
| nomen dubium belonging to Terrapene | ||||||||||
| Unknown collection (holotype), an anterior plastral lobe (Hay 1924, fig. 5). | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Brazos |
| Coordinates: | 30.6° North, 96.4° West (view map) | ||||
| Paleocoordinates: | 30.6° North, 96.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Pleistocene | ||
| Age range of interval: | 2.58000 - 0.01170 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: "presumably Pleistocene" | |||||
Lithology and environment
| Primary lithology: | poorly lithified sandstone |
| Lithology description: at least one specimen from "a pile of sand" | |
| Environment: | fluvial-lacustrine indet. |
| Geology comments: in a "wide Eocene valley [that] is largely filled with Quaternary and Pleistocene deposits" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collectors: | A. R. Cahn, W. A. Rounds |
| Collection method comments: Texas Agricultural and Mechanical College collection
at least one specimen found "in a partially buried condition" | |
| Taxonomic list comments:identifications by W. D. Matthew and O. P. Hay
some material previously described by Hay 1916 | |
Metadata
| Also known as: | Pittbridge; Bryan | ||
| Database number: | 85137 | ||
| Authorizer: | J. Alroy, E. Vlachos | Enterer: | J. Alroy, E. Vlachos |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-12-02 15:20:48 | Last modified: | 2015-02-23 17:41:20 |
| Access level: | the public | Released: | 2008-12-02 15:20:48 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 54433. | O. P. Hay. 1916. Descriptions of some fossil vertebrates found in Texas. Bulletin of the University of Texas 71:3-24 [M. Carrano/M. Carrano] |
Secondary references:
| 26812 | J. Alroy. 2008. Synonymies, reidentifications, and other arbitrary pronouncements mostly concerning fossil vertebrates. [J. Alroy/J. Alroy] | |
| 28647 | A. R. Cahn. 1922. Chlamytherium septentrionalis, a fossil edentate new to the fauna of Texas. Journal of Mammalogy 3(1):22-24 [J. Alroy/J. Alroy] | |
| 53733 | O. Hay. 1924. The Pleistocene of the middle region of North America and its vertebrated animals. 1-385 [M. Uhen/A. Saeed/E. Vlachos] |