Naifa Cliff-4: Tithonian - Kimmeridgian, Yemen
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ammonitida
- Perisphinctidae
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Pachysphinctes bathyplocus
(Waagen 1875)
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1 specimen | ||||||
Cephalopoda
- Ammonitida
- Aspidoceratidae
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Simaspidoceras irrgulare
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1 specimen | ||||||
Simaspidoceras argobbae
(Dacque 1905)
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4 specimens | ||||||
see common names |
Geography
Country: | Yemen | State/province: | Wadi Hajar |
Coordinates: | 14.3° North, 48.5° East (view map) | ||
Paleocoordinates: | 12.6° South, 31.5° East | ||
Geographic resolution: | small collection |
Time
Period: | Jurassic | Epoch: | Late Jurassic |
Stage: | Tithonian - Kimmeridgian | 10 m.y. bin: | Jurassic 6 - Jurassic 5 | *Epoch: | Malm |
Key time interval: | Tithonian - Kimmeridgian | ||
Age range of interval: | 149.2 - 149.2 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Naifa | Member: | Kilya | ||
Local section: | Naifa Cliff | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: 16 m above base |
Lithology and environment
Primary lithology: | calcareous marl |
Secondary lithology: | "limestone" |
Geology comments: lithology described as limestone nodules in marl band |
Taphonomy
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 2546 | ||
Authorizer: | M. Patzkowsky | Enterer: | K. Layou | Research group: | marine invertebrate |
Created: | 1999-07-08 11:43:09 | Last modified: | 1999-07-08 14:43:09 |
Access level: | the public | Released: | 2000-11-20 13:53:16 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
74. | M. K. Howarth and N. J. Morris. 1998. The Jurassic and Lower Cretaceous of Wadi Hajar, southern Yemen. Bulletin of the Natural History Museum (Geology) 54(1):1-32 [M. Patzkowsky/K. Layou/A. Clement] |