Spencer's Point Formation - Barkers Hill Road: Middle Pleistocene, Bermuda
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora cayenensis
(Lamarck 1822)
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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes exustus
(Linnaeus 1758)
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus americanus
Hermann 1781
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Bivalvia
- Pectinida
- Limidae
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Lima lima
(Linnaeus 1758)
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= Lima caribaea
d'Orbigny 1853
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Rosenberg 2005 | ||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia domingensis
(Lamarck 1819)
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| recombined as Acar domingensis | |||||||
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Bivalvia
- Lucinida
- Lucinidae
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Codakia orbiculata
(Montagu 1808)
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| recombined as Ctena orbiculata | |||||||
| see common names | |||||||
Geography
| Country: | Bermuda |
| Coordinates: | 32.3° North, 64.7° West (view map) |
| Paleocoordinates: | 32.3° North, 64.7° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Chibanian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Middle Pleistocene | ||
| Age range of interval: | 0.77400 - 0.12900 m.y. ago |
Stratigraphy
| Formation: | Spencer's Point | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Spencer's Point Formation (Middle-Late Pleistocene), which lies between the Pembroke Fm (Middle-Late Pleistocene) and the Southampton Fm (Late Pleistocene). THICKNESS: Unknown thickness of unit AGE: Shells are radiometrically dated to 130 Ka. STRATIGRAPHIC POSITION: Unknown position with unit. | |||||
Lithology and environment
| Primary lithology: | poorly lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Calcarenites. LITHIFICATION: Poorly lithified, presumed based on age and facies description (calcarenite). | |
| Environment: | foreshore |
| Geology comments: ENVIRONMENT: Intertidal, marine, beach and eolian calcarenites. | |
Taphonomy
| Modes of preservation: | body,original aragonite,original calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | ANSP |
| Collection method comments: COLLECTOR: H.G. Richards and T. Skymer (June, 1967), B. Bitters (June, 1968), and previously S. B. Upchurch and L. Vacher. REPOSITORY: Dept. of Geology, Academy of Natural Sciences. | |
| Taxonomic list comments:COVERAGE: Exhaustive for Mollusca. NOMENCLATURE: Not an authoritative publication, but identifications by specialists, with species level designations. | |
Metadata
| Also known as: | Loc. 9 | ||
| Database number: | 67962 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-12-19 06:58:24 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | group members | Released: | 2007-12-19 06:58:24 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 19423. | H. G. Richards, R. T. Abbott, and T. Skymer. 1969. The marine Pleistocene mollusks of Bermuda. Notulae Naturae 425:1-10 [A. Hendy/A. Hendy] |
Secondary references:
| 19419 | G. Rosenberg. 2005. Malacolog 4.0: A database of Western Atlantic marine Mollusca. [WWW database (version 4.1.0)] URL http://data.acnatsci.org/wasp [A. Hendy/A. Hendy] |