List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cyanophyceae
- Aphralysiaceae
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Aphralysia sp.
Garwood 1914
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Rhodophyceae
- Calcifoliida
- Fasciellidae
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Fasciella fusa
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Ostracoda
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Ostracoda indet.
Latreille 1802
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unclassified
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Terebellina sp.
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Cephalopoda
- Goniatitida
- Goniatitidae
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Goniatites cf. stenumbilicatus
Kullmann 1961
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Strophomenata
- Orthotetida
- Pulsiidae
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Schellwienella sp.
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Strophomenata
- Productida
- Linoproductidae
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Linoproductus sp.
(Chao 1927)
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Spirifer taigensis
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Rhynchonellata
- Spiriferida
- Trigonotretidae
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Neospirifer fascicostatus
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Rhynchonellata
- Spiriferinida
- Spiriferellinidae
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Crenispirifer sp.
Stehli 1954
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Rhynchonellata
- Athyridida
- Athyrididae
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Actinoconchus lamellosus
(Léveillé 1835)
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recombined as Athyris lamellosa | |||||||
unclassified
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Bryozoa indet.
Ehrenberg 1831
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Echinoidea
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Echinoidea indet.
(Leske 1778)
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Crinoidea
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Crinoidea indet.
Miller 1821
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Anthozoa
- Stauriida
- Lithostrotionidae
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Lithostrotion sp.
Fleming 1828
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Anthozoa
- Stauriida
- Hapsiphyllidae
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Hapsiphyllidae indet.
Grabau 1928
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Anthozoa
- Stauriida
- Aulophyllidae
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Dibunophyllum sp.
Thomson and Nicholson 1876
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Anthozoa
- Stauriida
- Lophophyllidiidae
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Lophophyllidiidae indet.
Moore and Jeffords 1945
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Anthozoa
- Stauriida
- Cyathaxoniidae
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Cyathaxonia sp.
Michelin 1847
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Anthozoa
- Favositida
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Favositida indet.
Wedekind 1937
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Anthozoa
- Favositida
- Micheliniidae
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Michelinia sp.
de Koninck 1841
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unclassified
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Porifera indet.
Grant 1836
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see common names |
Geography
Country: | Morocco |
Coordinates: | 31.0° North, 3.7° West (view map) |
Paleocoordinates: | 23.6° South, 1.1° West |
Basis of coordinate: | stated in text |
Geographic resolution: | local area |
Stratigraphy
Formation: | Zrigat | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Gnathodus texanus-Gnathodus bilineatus zones, most mounds in the G. praebilineatus zone |
Lithology and environment
Primary lithology: | lithified wackestone |
Secondary lithology: | lithified packstone |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: More than 100 mud mounds, up to 30 m high, base diameters of up to 300 m. 4 mound types: 1) massive crinoidal wacke- or packstones without stromatactis, 2) massive crinoidal wacke- or packstones with rare stromatactis, 3) similar to 2) but allochthonous, 4) biodetrital (skeletal) grainstone mounds. | |
Environment: | reef, buildup or bioherm |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Also known as: | Reef 2839 | ||
Database number: | 76759 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel |
Modifier: | W. Kiessling | Research group: | marine invertebrate |
Created: | 2007-12-03 07:54:37 | Last modified: | 2007-12-04 07:27:44 |
Access level: | authorizer only | Released: | 2009-12-03 07:54:37 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
25977. | J. Wendt, B. Kaufmann, and Z. Belka. 2001. An exhumed Palaeozoic underwater scenery: the Visean mud mounds of eastern Anti-Atlas (Morocco). Sedimentary Geology 145:215-233 [W. Kiessling/U. Merkel] |