Gebel Mokattam, near the Citadel: Lutetian, Egypt
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Carchardon sp.
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| shark teeth? | ||||||||||
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Chondrichthyes
- Odontaspidida
- Isuridae
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Oxyrhina sp.
Agassiz 1838
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| shark teeth? | ||||||||||
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Cephalopoda
- Nautilida
- Nautilidae
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Nautilus sp.
Linnaeus 1758
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= Nautilidae indet.
de Blainville 1825
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Clapham 2015 | |||||||||
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Gastropoda
- Campanilidae
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Cerithium giganteum
Lamarck 1804
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| recombined as Campanile giganteum | ||||||||||
| Mispelt: Ceriphium=Cerithium | ||||||||||
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Gastropoda
- Naticidae
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Natica cornuammonis
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Malacostraca
- Decapoda
- Cancridae
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Lobocarcinus sp.
Reuss 1857
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Nummulitidae
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Nummulites biarritzensis
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| see common names | ||||||||||
Geography
| Country: | Egypt |
| Coordinates: | 30.0° North, 31.3° East (view map) |
| Paleocoordinates: | 22.5° North, 26.4° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Lutetian | ||
| Age range of interval: | 47.80000 - 41.20000 m.y. ago |
Stratigraphy
| Formation: | Mokattam | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: The unit has been assigned a upper Lutetian age in addition to an upper Middle Eocene-lower Upper Eocene age. It has a thickness of 133 m (4367 ft) at the type section near the Citadel, Cairo. The Mokattam Formartion at the type locality consists of three members. Collection is from the middle member (Cairo Buildingstone horizon). It has a thickness of 33 m or 108 ft). A bed is crowded with Nummulites at its top. This unit is equivalent to the Observatory Member in Helwan. | |||||
Lithology and environment
| Primary lithology: | gypsiferous,white "limestone" |
| Includes fossils? | Y |
| Lithology description: Massive white limestones with gypsum. | |
| Environment: | lagoonal/restricted shallow subtidal |
| Geology comments: Mokattam section represents outer lagoon/back-reef, inner lagoon, and shoal deposits (Tawfik et al., 2016). | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:Comprises taxa mentioned in text as typical of formation, including molluscs and forams. Page 135 of Tawadros (2001) | |
Metadata
| Database number: | 41898 | ||
| Authorizer: | A. Hendy, M. Clapham | Enterer: | A. Hendy, M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-21 22:12:13 | Last modified: | 2019-09-07 16:16:19 |
| Access level: | the public | Released: | 2004-07-21 22:12:13 |
| Creative Commons license: | CC BY |