Belmont Formation - South end Ireland Island: 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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Fissurella barbadensis
(Gmelin 1791)
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Gastropoda
- Opisthobranchia
- Bullidae
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Bulla striata
Bruguiére 1792
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Gastropoda
- Cerithiidae
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Cerithium eburneum
Bruguière 1792
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Gastropoda
- Cerithiopsidae
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Seila adamsii
(Lea 1845)
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Gastropoda
- Rissoidae
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Rissoina bryerea
(Montagu 1803)
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| recombined as Schwartziella bryerea | ||||||||||
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Gastropoda
- Truncatellidae
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Truncatella scalaris
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Gastropoda
- Neogastropoda
- Columbellidae
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Columbella mercatoria
(Linnaeus 1758)
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Nitidella ocellata
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius albus
Say 1826
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| replaced by Nassarius antillarum | ||||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Cantharus tinctus
(Conrad 1846)
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| recombined as Gemophos tinctus | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes exustus
(Linnaeus 1758)
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Bivalvia
- Arcida
- Arcidae
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Arca zebra
(Swainson 1833)
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| original and current combination Byssoarca zebra | ||||||||||
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Barbatia domingensis
(Lamarck 1819)
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| recombined as Acar domingensis | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Americardia media
(Linnaeaus 1758)
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Bivalvia
- Cardiida
- Ungulinidae
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Diplodonta punctata
(Say 1822)
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Bivalvia
- Cardiida
- Chamidae
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Chama macerophylla
Gmelin 1791
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Bivalvia
- Cardiida
- Veneridae
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Pitar sp.
Römer 1857
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Bivalvia
- Lucinida
- Lucinidae
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Codakia orbiculata
(Montagu 1808)
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| recombined as Ctena orbiculata | ||||||||||
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Codakia costata
(d'Orbigny 1846)
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| recombined as Parvilucina costata | ||||||||||
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Lucina pensylvanica
(Linnaeus 1758)
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| [entered as Lucina pennsylvanica] | ||||||||||
| 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: | Belmont | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Belmont Formation, which lies between the Walsingham Fm (Early-Middle Pleistocene) and the Devonshire Fm (Late Pleistocene). THICKNESS: Unknown thickness of unit AGE: Shells are radiometrically dated to 300 Ka. STRATIGRAPHIC POSITION: Unknown position with unit. | |||||
Lithology and environment
| Primary lithology: | poorly lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Complex shallow-marine, beach, and poorly developed dune calcarenites. LITHIFICATION: Poorly lithified, presumed based on age and facies description (poorly developed, calcarenite). | |
| Environment: | foreshore |
| Geology comments: ENVIRONMENT: Shallow-marine, beach, and dune. | |
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. 14 | ||
| Database number: | 67966 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-12-19 07:11:00 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | group members | Released: | 2007-12-19 07:11:00 |
| 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] |