Gerigoan, 142: Callovian, Somalia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Clypeidae
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Clypeus williei
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Bivalvia
- Nuculida
- Nuculidae
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Palaeonucula cuneiformis
(Sowerby 1840)
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Bivalvia
- Cardiida
- Cardiidae
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Protocardia somaliensis
Cox 1935
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| see common names | |||||||
Geography
| Country: | Somalia |
| Coordinates: | 10.3° North, 42.8° East (view map) |
| Paleocoordinates: | 11.1° South, 27.7° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Callovian | ||
| Age range of interval: | 165.3 - 161.5 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified grainstone |
| Secondary lithology: | lithified marl |
| Lithology description: well-bedded yellowish calcarenite and sandy marls, very fine, light gray limestones, sometimes dolomitized | |
| 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: | 100380 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-12-08 21:38:21 | Last modified: | 2010-12-08 04:38:21 |
| Access level: | the public | Released: | 2010-12-08 21:38:21 |
| 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] |