Gerigoan, 158-159: Oxfordian, Somalia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Nerineidae
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Cossmannea somaliensis
(Weir 1925)
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| original and current combination Nerinea somaliensis | |||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina sp.
Bruguière 1797
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Bivalvia
- Pholadida
- Ceratomyidae
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Ceratomya excentrica
(Roemer 1836)
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Bivalvia
- Cardiida
- Cardiidae
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Protocardia somaliensis
Cox 1935
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Rhynchonellata
- Terebratulida
- Postepithyrididae
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Lophrothyris cf. subsella
(Leymerie 1846)
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| recombined as Loboidothyris subsella | |||||||
| see common names | |||||||
Geography
| Country: | Somalia |
| Coordinates: | 10.3° North, 42.8° East (view map) |
| Paleocoordinates: | 11.2° South, 27.4° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Oxfordian | ||
| Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
| Formation: | Sa Wer | Member: | intermediate | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: sample 158-159 | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Secondary lithology: | lithified marl |
| Lithology description: massive pure limestones with cherty nodules, alternating with subordinate calcareous marls | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 100383 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-12-08 23:10:03 | Last modified: | 2010-12-08 06:10:03 |
| Access level: | the public | Released: | 2010-12-08 23:10:03 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34459. | E. Abbate, G. Ficcarelli, C. Pirini Radrizzani, A. Salvietti, D. Torre and A. Turi. 1974. Jurassic sequences from the Somali coast of the Gulf of Aden. Rivista Italiana di Paleontologia e Stratigrafia 80(3):409-478 [W. Kiessling/U. Merkel] |