Locality F4, Bateun Beni Zid, Djebel Tebaga: Wordian, Tunisia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Trigoniida
- Trigoniidae
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Lyroschizodus djemelensis n. sp.
Boyd and Newell 1979
|
Boyd and Newell 1979 | ||||||
| see common names | |||||||
Geography
| Country: | Tunisia | State/province: | Madanin |
| Coordinates: | 33.4° North, 10.2° East (view map) | ||
| Paleocoordinates: | 7.5° South, 18.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Wordian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wordian | ||
| Age range of interval: | 266.90000 - 264.28000 m.y. ago |
Stratigraphy
| Formation: | Oum el Afia Shale | ||||
| Local section: | F - Baten beni Zid | Local bed: | 4 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Abundant Neoschwagerina, occurs below Yabeina fusulinids. 3 metres thick. | |||||
Lithology and environment
| Primary lithology: | gray "limestone" |
| Includes fossils? | Y |
| Lithology description: Limestone, gray, with sponges, excellent large fusulinaceans at base. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 41875 | ||
| Authorizer: | D. Bottjer | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-21 13:44:28 | Last modified: | 2011-01-14 23:30:00 |
| Access level: | the public | Released: | 2004-07-21 13:44:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11153. | N. D. Newell, J.K. Rigby, A. Driggs, D.W. Boyd, and F.G. Stehli. 1976. Permian reef complex, Tunisia. Brigham Young University Geology Studies 23(1):75-112 [D. Bottjer/M. Clapham/M. Clapham] |
Secondary references:
| 11157 | D. W. Boyd and N.D. Newell. 1979. Permian pelecypods from Tunisia. American Museum Novitates 2686:1-22 [D. Bottjer/M. Clapham/M. Clapham] |