Molluscan assemblages, Aldabra Atoll, Aldabra Limestone 6: Late Pleistocene, Seychelles
collected 1969
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ulvophyceae
- Bryopsidales
- Halimedaceae
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Halimeda sp.
Lamouroux 1812
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subordinate | ||||||||||
unclassified
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Barbatia tenella
Reeve 1843
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common | ||||||||||
Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus sp.
Linnaeus 1758
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Bivalvia
- Arcida
- Arcidae
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Barbatia helblingi
Bruguière 1789
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common | ||||||||||
Barbatia fusca
(Bruguiére 1792)
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most abundant Bivalve | ||||||||||
Bivalvia
- Cardiida
- Chamidae
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Bivalvia
- Cardiida
- Veneridae
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Timoclea marica
Linnaeus 1758
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Bivalvia
- Cardiida
- Tellinidae
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Scissulina dispar
(Conrad 1837)
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Pinguitellina robusta
(Hanley 1844)
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Jactellina clathrata
(Deshayes 1835)
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Bivalvia
- Cardiida
- Semelidae
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Gastropoda
- Thaididae
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Gastropoda
- Cerithiidae
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dominant | ||||||||||
Cerithium echinatum
Lamarck 1822
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dominant | ||||||||||
Gastropoda
- Naticidae
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common | ||||||||||
Gastropoda
- Cypraeidae
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Cypraea scurra
Gmelin 1791
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Cypraea fimbriata
Gmelin 1791
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Cypraea helvola
Linnaeus 1758
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Gastropoda
- Strombidae
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Strombus gibberulus
Linnaeus 1758
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common | ||||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius sp.
Duméril 1806
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Gastropoda
- Neogastropoda
- Columbellidae
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Columbella turturina
Lamarck 1822
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Gastropoda
- Neogastropoda
- Muricidae
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra sp.
Bruguière 1789
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Gastropoda
- Trochidae
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Tectus mauritianus
(Gmelin 1791)
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Anthozoa
- Scleractinia
- Euphylliidae
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Galaxea sp.
Oken 1815
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common | ||||||||||
Anthozoa
- Scleractinia
- Acroporidae
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Acropora hyacinthus
(Dana 1846)
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Acropora corymbosa
(Lamarck 1816)
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common | ||||||||||
Acropora palifera
(Lamarck 1816)
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common | ||||||||||
Anthozoa
- Scleractinia
- Pocilloporidae
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Seriatopora sp.
Lamarck 1816
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common | ||||||||||
Anthozoa
- Scleractinia
- Faviidae
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Favia sp.
Oken 1815
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common | ||||||||||
Anthozoa
- Scleractinia
- Merulinidae
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Platygyra sp.
Ehrenberg 1834
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common | ||||||||||
Anthozoa
- Scleractinia
- Fungiidae
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Fungia sp.
Lamarck 1801
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common | ||||||||||
Anthozoa
- Scleractinia
- Poritidae
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Porites nigrescens
Dana 1846
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common | ||||||||||
see common names |
Geography
Country: | Seychelles |
Coordinates: | 9.4° South, 46.4° East (view map) |
Paleocoordinates: | |
Basis of coordinate: | estimated from map |
Geographic resolution: | local area |
Time
Period: | Quaternary | Epoch: | Pleistocene |
Stage: | Late Pleistocene | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Late Pleistocene | ||
Age range of interval: | 0.129 - 0.0117 m.y. ago | ||
Age estimate: | 125 Ka (U/Th) |
Stratigraphy
Formation: | Aldabra Limestone | ||||
Stratigraphy comments: 125 000 years (Thompson and Walton 1972) |
Lithology and environment
Primary lithology: | "limestone" |
Lithology description: facies 6: Porites coral-knoll facies; coral knolls separated by patches of sand and coral debris | |
Environment: | perireef or subreef |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | poor |
Abundance in sediment: | abundant |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | paleoecologic analysis |
Museum repositories: | BMNH | Collection dates: | 1969 |
Collection method comments: June-September 1969, small additional quantity in 1973 m, altogether 300 specimens found in Aldabra Limestone |
Metadata
Also known as: | Reef 3806 | ||
Database number: | 81011 | ||
Authorizer: | W. Kiessling | Enterer: | A. Girndt |
Modifier: | U. Merkel | Research group: | marine invertebrate |
Created: | 2008-05-26 05:23:56 | Last modified: | 2025-02-22 15:12:02 |
Access level: | authorizer only | Released: | 2010-05-26 05:23:56 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
27242. | J. D. Taylor. 1978. Faunal response to the instability of reef habitats: Pleistocene molluscan assemblages of Aldabra Atoll. Palaeontology 21(1):1-30 [W. Kiessling/A. Girndt] |