ILM-9951, Seavington section 2, Ilminster: Thouarsense, United Kingdom
collected 1987
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Myodocopida
- Polycopidae
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Polycope sp.
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2 specimens | |||||||||
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Ostracoda
- Podocopida
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Wellandia faveolata
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2 specimens | |||||||||
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Rutlandella transversiplicata
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3 specimens | |||||||||
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Ostracoda
- Podocopida
- Progonocytheridae
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Kinkelinella sermoisensis
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26 specimens | |||||||||
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Kinkelinella costata
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26 specimens | |||||||||
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Ektyphocythere anterocosta
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3 specimens | |||||||||
| spelled with current rank as Kinkelinella (Ektyphocythere) | ||||||||||
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Ostracoda
- Podocopida
- Cytheruridae
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Cytheropteron alafastigatum
Fischer 1962
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2 specimens | |||||||||
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Ostracoda
- Podocopida
- Bythocytheridae
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Monoceratina stimulea
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2 specimens | |||||||||
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Ostracoda
- Podocopida
- Trachyleberididae
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Trachycythere tubulosa
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2 specimens | |||||||||
| Trachycythere tubulosa tubulosa | ||||||||||
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Ostracoda
- Platycopida
- Cytherellidae
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Cytherella toarcensis
Bizon 1960
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16 specimens | |||||||||
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Cephalopoda
- Belemnitida
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Belemnitida indet.
Zittel 1895
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Cephalopoda
- Ammonoidea
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Ammonoidea indet.
Zittel 1884
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| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | Somerset |
| Coordinates: | 50.9° North, 2.9° West (view map) | ||
| Paleocoordinates: | 38.8° North, 8.3° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Toarcian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Thouarsense | ||
| Age range of interval: | 180.10000 - 174.70000 m.y. ago |
Stratigraphy
| Formation: | Beacon Limestone | Member: | Barrington |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray claystone |
| Secondary lithology: | lenticular,concretionary "limestone" |
| Lithology description: dark gray clay with bands of lenticular limestone concretions | |
| Environment: | marine indet. |
Taphonomy
| Size of fossils: | microfossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1987 |
| Taxonomic list comments:Abundance data given as very rare (0-2 counts); rare (3-5 counts); few (6-15 counts); common (16-25 counts); and abundant (>26 counts). Data entered as 2, 3, 6, 16, 26 specimens accordingly for each category. | |
Metadata
| Database number: | 33349 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2003-07-28 07:53:51 | Last modified: | 2014-08-02 11:49:06 |
| Access level: | the public | Released: | 2003-07-28 07:53:51 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 8861. | I. Boomer. 1992. Lower Jurassic ostracods from Ilminster, Somerset, England. Journal of Micropalaeontology 11(1):47-57 [A. Miller/K. Layou/K. Layou] |