Site 31, Msambweni Quarry: Late/Upper Pleistocene, Kenya
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Cypraeidae
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Cypraea erosa
Linnaeus 1758
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| recombined as Naria erosa | ||||||||||
| 1-5 % specimens | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Trachycardium sp.
Mörch 1853
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| 1-5 % specimens | ||||||||||
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Bivalvia
- Cardiida
- Chamidae
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Chama sp.
Linnaeus 1758
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Bivalvia
- Cardiida
- Veneridae
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Periglypta puerpera
(Linnaeus 1758)
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Clementia papyracea
(Gray 1825)
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| 1-5 % specimens | ||||||||||
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Pitar sp.
Römer 1857
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| 5-10 % specimens | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia helblingii
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| 5-10 % specimens | ||||||||||
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Barbatia caelata
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Barbatia fusca
(Bruguiére 1792)
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| recombined as Barbatia (Ustularca) fusca | ||||||||||
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Arca navicularis
Bruguière 1789
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Arca ventricosa
Lamarck 1819
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| recombined as Lamarcka ventricosa | ||||||||||
| 1-5 % specimens | ||||||||||
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Anadara antiquata
(Linnaeus 1758)
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| recombined as Anadara (Anadara) antiquata | ||||||||||
| 1-5 % specimens | ||||||||||
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Striarca afra
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Bivalvia
- Ostreida
- Gryphaeidae
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Hyotissa hyotis
(Linnaeus 1758)
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| 5-10 % specimens | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula imbricata
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| 5-10 % specimens | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Decatopecten flabelloides
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| 1-5 % specimens | ||||||||||
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Chlamys senatorius
(Gmelin 1791)
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| recombined as Mimachlamys senatoria | ||||||||||
| 1-5 % specimens | ||||||||||
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Gloripallium pallium
(Linnaeus 1758)
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| 1-5 % specimens | ||||||||||
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus sp.
Linnaeus 1758
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Bivalvia
- Mytilida
- Mytilidae
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Septifer bilocularis
(Linnaeus 1758)
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| 1-5 % specimens | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Kenya |
| Coordinates: | 4.5° South, 39.5° East (view map) |
| Paleocoordinates: | 4.5° South, 39.5° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago | ||
| Age estimate: | 120 ± 4 Ka (U/Th) |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Tridacna gigas U-series open system age of 120±4 ka (group A) | |||||
Lithology and environment
| Primary lithology: | "limestone" |
| Lithology description: rubbly calcarenite areas exposed between Galaxea clavus banks | |
| Environment: | reef, buildup or bioherm |
| Glacial or sequence phase: | interglacial |
| Geology comments: back-reef small coral patches and scattered coral colonies (Porites-faviid assemblage) in a Halimeda-rich calcarenite | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | BMNH |
Metadata
| Database number: | 81094 | ||
| Authorizer: | W. Kiessling | Enterer: | A. Girndt, U. Merkel |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Collections that are a subset of this one: | |||
| Created: | 2008-06-04 04:33:45 | Last modified: | 2012-04-27 03:46:07 |
| Access level: | authorizer only | Released: | 2010-06-04 04:33:45 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27259. | J. A. Crame. 1986. Late Pleistocene molluscan assemblages from the coral reefs of the Kenya coast. Coral Reefs 4:183-196 [W. Kiessling/A. Girndt] |
Secondary references:
| 41322 | G. Accordi, M. Brilli, F. Carbone and M. Voltaggio. 2010. The raised coral reef complex of the Kenyan coast: Tridacna gigas U-series dates and geological implications. Journal of African Earth Sciences 58:97-114 [W. Kiessling/U. Merkel] |