Florissant (Twenhofel collection, University of Kansas): Chadronian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Arachnida
- Araneae
- Araneidae
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Tethneus twenhofeli n. sp.
Petrunkevitch 1922
|
1 specimen | |||||||||
| YPM 25588 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado |
| Coordinates: | 38.9° North, 105.3° West (view map) | ||
| Paleocoordinates: | 40.4° North, 97.0° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Chadronian | ||
| Age range of interval: | 37.00000 - 33.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | diatomaceous,tuffaceous lithified "shale" |
| Includes fossils? | Y |
| Environment: | lacustrine - large |
Taphonomy
| Modes of preservation: | body,adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | YPM |
| Collection method comments: Repository: collection of W.H. Twenhofel of the University of Kansas (now apparently at YPM) | |
Metadata
| Database number: | 35058 | ||
| Authorizer: | D. Smith | Enterer: | A. Kinchloe |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2003-10-28 12:26:47 | Last modified: | 2013-06-28 11:50:16 |
| Access level: | the public | Released: | 2003-10-28 12:26:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 9404. | A. I. Petrunkevitch. 1922. Tertiary Spiders and Opilionids of North America. Connecticut Academy of Arts and Sciences 25:211-279 [D. Smith/A. Kinchloe/A. Kinchloe] |