Onion Creek, Travis: Coniacian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
- Pedinopsidae
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Pedinopsis pondi n. sp.
Clark 1893
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see common names |
Geography
Country: | United States | State/province: | Texas | County: | Travis |
Coordinates: | 30.1° North, 97.8° West (view map) | ||||
Paleocoordinates: | 31.9° North, 66.7° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
Key time interval: | Coniacian | ||
Age range of interval: | 89.80000 - 86.30000 m.y. ago |
Stratigraphy
Formation: | Austin Chalk | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Probably lower part of Austin Chalk |
Lithology and environment
Primary lithology: | chalk |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Collection methods and comments
Collection methods: | survey of museum collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Metadata
Database number: | 78101 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel |
Modifier: | M. Uhen | Research group: | marine invertebrate |
Created: | 2008-01-28 06:36:47 | Last modified: | 2019-08-15 13:50:28 |
Access level: | the public | Released: | 2008-01-28 06:36:47 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
26335. | 1% 20600 | C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham] |
Secondary references:
16640 | W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341 [L. Villier/J. Millet/M. Uhen] |