Filon Douze Tafilalt bed OJ-I: Lochkovian, Morocco
collected by Kröger 2007
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Cyrtodontida
- Antipleuridae
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Panenka sp.
Barrande 1881
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Cephalopoda
- Oncocerida
- Jovellaniidae
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Bohemojovellania obliquum
Kröger 2008
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3 specimens | ||||||
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Bohemojovellania adrae
Kröger 2008
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5 specimens | ||||||
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Bohemojovellania bouskai
Manda 2001
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2 specimens | ||||||
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Jovellania cheirae
Kröger 2008
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8 specimens | ||||||
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Cephalopoda
- Orthocerida
- Sphaerorthoceratidae
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Hemicosmorthoceras semimbricatum
Gnoli 1982
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80 specimens | ||||||
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Hemicosmorthoceras aichae
Kröger 2008
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1 specimen | ||||||
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Plagiostomoceras reticulatum
Kröger 2008
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9 specimens | ||||||
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Plagiostomoceras bifrons
(Barrande 1866)
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2 specimens | ||||||
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Plagiostomoceras lategruenwaldti
Kröger 2008
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2 specimens | ||||||
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Merocycloceras sp.
Ristedt 1968
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2 specimens | ||||||
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Kopaninoceras jucundum
(Barrande 1870)
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2 specimens | ||||||
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Cephalopoda
- Orthocerida
- Arionoceratidae
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Parakionoceras originale
(Barrande 1868)
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2 specimens | ||||||
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Adiagoceras taouzense
Kröger 2008
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177 specimens | ||||||
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Cephalopoda
- Orthocerida
- Sichuanoceratidae
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Sichuanoceras zizense
Kröger 2008
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2 specimens | ||||||
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Cephalopoda
- Lituitida
- Lamellorthoceratidae
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Arthrophyllum vermiculare
(Termier and Termier 1950)
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15 specimens | ||||||
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Cephalopoda
- Dissidocerida
- Geisonoceratidae
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Temperoceras ludense
(Sowerby 1839)
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6 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 30.9° North, 4.1° West (view map) |
| Paleocoordinates: | 64.4° South, 30.6° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Lochkovian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Lochkovian | Conodont zone: | Pedavis pesavis |
| Age range of interval: | 419.20000 - 410.80000 m.y. ago |
Stratigraphy
| Local section: | Filon Douze | Local bed: | PK | ||
| Stratigraphy comments: Approximately 40 m above Scyphocrinites limestone. The bed represents the pesavis Bioevent. | |||||
Lithology and environment
| Primary lithology: | black lithified silty,carbonaceous floatstone | ||
| Lithology description: The bed is characterized by the occurrence of scour and fill structures c. 0.15 m thick with a diameter of <0.5 m. These structures contain a floatstone with masses of poorly orientated orthocones. | |||
| Environment: | deep subtidal shelf | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,recrystallized,original aragonite,replaced with calcite |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | abundant |
| Articulated whole bodies: | none |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Museum repositories: | MfN | ||
| Collectors: | Kröger | Collection dates: | 2007 |
Metadata
| Also known as: | Jovellania limestone succession. - not to confuse with "Jovellania limestone" of Bultynck and Walliser (2000) | ||
| Database number: | 91483 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2009-09-29 14:01:29 | Last modified: | 2009-09-29 17:02:37 |
| Access level: | the public | Released: | 2009-09-29 14:01:29 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 29331. | B. Kröger. 2008. Nautiloids before and during the ammonoid origin in a Siluro–Devonian section of the Tafilalt (Morocco). Special Papers in Palaeontology 79:1-110 [B. Kröger/B. Kröger] |