Alnif, Bani Group: Rawtheyan, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stenolaemata
- Trepostomida
- Amplexoporidae
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Radiotrypa alnifensis
Ernst et al. 2015
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8 specimens | ||||||
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Monotrypa sp.
Nicholson 1879
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1 specimen | ||||||
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Stenolaemata
- Esthonioporata
- Revalotrypidae
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Revalotrypa ramosa
Ernst et al. 2015
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7 specimens | ||||||
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Heminematopora gaetula
Ernst et al. 2015
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6 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 31.1° North, 5.1° West (view map) |
| Paleocoordinates: | 82.8° South, 79.0° East |
| Basis of coordinate: | stated in text |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Rawtheyan | ||
| Age range of interval: | 448.90000 - 445.20000 m.y. ago |
Stratigraphy
| Geological group: | Bani | Formation: | Upper Tiouririne | ||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: "Upper formation of the upper Bani Group (Hirnantian, Upper Ordovician) [redeposited from the upper Tiouririne Formation (upper Katian, Upper Ordovician)].", in Ernst et al. (2015) | |||||
Lithology and environment
| Primary lithology: | bioturbation sandstone |
| Lithology description: "composed of bioturbated sandstones (lower formation of the upper Bani Group) and glaciogenic conglomeratic and arenitic sediments", in Ernst et al. (2015) | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 173818 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2015-10-16 04:05:31 | Last modified: | 2018-07-26 22:41:17 |
| Access level: | the public | Released: | 2015-10-16 04:05:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 56661. | A. Ernst, A. Jiménez-Sánchez, and L. Baidder. 2015. Bryozoan fauna of the Upper Ordovician (Katian) of Alnif, Morocco. Senckenberg Gesellschaft für Naturforschung and Springer-Verlag Berlin Heidelberg 2015 [B. Kröger/B. Kröger] |