Poleta Folds: Botomian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Taphrhelminthopsis nelsoni
Hagadorn et al. 2000
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California |
| Coordinates: | 37.3° North, 118.1° West (view map) | ||
| Paleocoordinates: | 0.8° North, 97.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | ||
| Key time interval: | Botomian | Zone: | Bonnia- Olenellus |
| Age range of interval: | 515.6 - 512.5 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | sandy siltstone |
| Environment: | shallow subtidal indet. |
| Geology comments: The sandstone sub-unit of the middle member is dominated by laminated, thinly bedded, low-angle cross-laminated and mottled bedding. Horizons consist of thin- to thick-bedded very fine- to medium-grained quartz arenite, with minor amounts of sandy siltstone and sandy limestone. | |
Taphonomy
| Modes of preservation: | trace |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | observed (not collected) |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 153090 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Krause |
| Modifier: | M. Clapham | Research group: | micropaleontology |
| Created: | 2013-12-06 14:32:21 | Last modified: | 2013-12-06 15:11:47 |
| Access level: | authorizer only | Released: | 2014-03-06 14:32:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 49326. | J. W. Hagadorn, S. A. Schellenberg, and S. A. Bottjer. 2000. Paleoecology of a large Early Cambrian bioturbator. Lethaia (33)142-156 [W. Kiessling/M. Krause] |