Oretanian section, Tachilla Fm., Anti-Atlas Mts., Morocco: Oretanian, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Gompholithes sp.
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Hyolithida
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Pauxillites sp.
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Hyolithida
- Hyolithidae
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Elegantilites sp.
Marek 1966
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Rhynchonellata
- Orthida
- Euorthisinidae
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Euorthisina sp.
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Bivalvia
- Nuculida
- Praenuculidae
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Praenucula sp.
Pfab 1934
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta sp.
Salter 1852
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Redonia sp.
Rouault 1851
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Bivalvia
- Coxiconchiidae
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Coxiconcha sp.
Babin 1966
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corrected as Coxiconchia | |||||||
Ostracoda
- Hollinocopida
- Tetradellidae
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Tetradella sp.
Ulrich 1890
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Trilobita
- Corynexochida
- Illaenidae
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? Dysplanus sp.
Burmeister 1843
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Trilobita
- Phacopida
- Homalonotidae
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Colpocoryphe sp.
Novak and Perner 1918
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Plaesiacomia sp.
Hawle and Corda 1847
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Trilobita
- Phacopida
- Bathycheilidae
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Bathycheilus sp.
Holub 1908
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Trilobita
- Phacopida
- Dalmanitidae
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Ormathops sp.
Delo 1935
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Trilobita
- Phacopida
- Pliomeridae
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Placoparia sp.
Hawle and Corda 1847
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Trilobita
- Asaphida
- Asaphidae
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Ogygiocaris sp.
Angelin 1854
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see common names |
Geography
Country: | Morocco |
Coordinates: | 32.0° North, 4.0° West (view map) |
Paleocoordinates: | 78.5° South, 98.0° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
10 m.y. bin: | Ordovician 2-3 | ||
*Period: | Middle Ordovician | *Epoch: | Early/Lower Llanvirn | *Local age/stage: | Oretanian |
Key time interval: | Oretanian | ||
Age range of interval: | 468.00000 - 459.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Tachilla |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | concretionary,shelly/skeletal,gray,green,red or brown lithified argillaceous "shale" |
Lithology description: Fossiliferous nodules in green-grey to reddish shale with occasional coquinoids and grey, clayey banks | |
Environment: | offshore |
Taphonomy
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection excludes: | all microfossils,species names |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:Primarily bivalve taxonomy and biostrat. |
Metadata
Database number: | 20978 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
Modifier: | P. Novack-Gottshall | Research group: | marine invertebrate |
Created: | 2002-06-13 08:57:57 | Last modified: | 2002-06-13 14:10:27 |
Access level: | the public | Released: | 0000-00-00 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6376. | C. Babin and J. Destombes. 1990. Les mollusques bivalves et rostroconches Ordoviciens de l’Anti-Atlas marocain: Intérêt paléogéographique de leur inventaire. Géologie Méditerranéenne 17:243-261 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall] |