Graptolite Shale on the Left Bank of the Oued Ifrane: Llandovery, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Graptoloidea
- Monograptidae
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Monograptus regularis
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Monograptus cf. nudus
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Bivalvia
- Cyrtodontida
- Cardiolidae
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Cardiola interrupta
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Cardiola sp.
Broderip 1839
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras bohemicum
Barrande 1866
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| synonym of Orthoceras fluminense | |||||||
| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 33.3° North, 5.5° West (view map) |
| Paleocoordinates: | 81.0° South, 26.4° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | *Epoch: | Late/Upper Llandovery |
| Key time interval: | Llandovery | ||
| Age range of interval: | 443.80000 - 433.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: "The two graptolites are suggestive of an early Late Llandovery age" | |||||
Lithology and environment
| Primary lithology: | "shale" |
| Lithology description: "gratolite shales" | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 27176 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-11-21 11:55:22 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2002-11-21 11:55:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7455. | W. B. N. Berry and A. J. Boucot. 1973. Correlation of the African Silurian rocks. Geological Society of America Special Paper 147:1-83 [M. Foote/M. Foote/M. Foote] |