Central High Atlas, Rich-Gourrama area, second reef complex: Bajocian, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris sp.
Leske 1778
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Echinoidea
- Diplopodiidae
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Diplopodia cf. morieii
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Echinoidea
- Hemicidaridae
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Gymnocidaris pustulosa
(Agassiz 1846)
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Hemicidaris koechlini
Cotteau 1862
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Echinoidea
- Stomopneustoida
- Stomechinidae
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Psephechinus globosus
Lambert 1931
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Zeilleria perlata
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Zeilleria darestei
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Rhynchonellata
- Terebratulida
- Lissajousithyrididae
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Monsardithyris sp.
Alméras 1970
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Polychaeta
- Sabellida
- Serpulidae
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Serpulidae indet.
Rafinesque 1835
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Gastropoda
- Heterostropha
- Nerineidae
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Nerineidae indet.
Zittel 1873
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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Bivalvia
- Ostreida
- Plicatostylidae
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Lithiotidae indet.
Reis 1903
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| invalid subgroup of Plicatostylidae | |||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Lopha (Actinostreon) sp.
Bayle 1878
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Ostracoda
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Ostracoda indet.
Latreille 1802
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Hydrozoa
- Spongiomorphida
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Spongiomorpha indet.
Alloiteau 1952
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Anthozoa
- Scleractinia
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Scleractinia indet.
Bourne 1900
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unclassified
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Porifera indet.
Grant 1836
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Demospongiae
- Lithistida
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? Lithistida indet.
Schmidt 1870
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Cyanophyceae
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"Cayeuxia" sp.
Frollo 1938
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Foraminiferida
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Foraminiferida indet.
(Eichwald 1830)
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| spelled with current rank as Foraminifera | |||||||
| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 32.3° North, 4.4° West (view map) |
| Paleocoordinates: | 27.2° North, 0.4° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | local area |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Bajocian | ||
| Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified "reef rocks" |
| Lithology description: 2 reef levels, separated by 22 m of marls intercalated by thinly-bedded limestones and a few small biostromes. | |
| Environment: | reef, buildup or bioherm |
| Geology comments: coral patch reefs | |
Taphonomy
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Collection methods: | peel or thin section,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Reef 3447 | ||
| Database number: | 68165 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2007-01-05 06:49:29 | Last modified: | 2007-01-05 08:49:31 |
| Access level: | the public | Released: | 2007-01-05 06:49:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 19589. | A. Ait Addi. 2006. The dogger reef horizons of the Moroccan Central High Atlas: New data on their development. Journal of African Earth Sciences 45:162-172 [W. Kiessling/U. Merkel] |