Black Rock Limestone from Burrington Combe, Bed 16, Lower Carboniferous, (Middle: Tournaisian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Stauriida
- Amplexidae
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Amplexus sp.
Sowerby 1814
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Anthozoa
- Stauriida
- Antiphyllidae
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Fasciculophyllum densum
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Anthozoa
- Stauriida
- Aulophyllidae
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Cyathoclisia tabernaculum
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Anthozoa
- Stauriida
- Cyathopsidae
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Caninia cylindrica
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Anthozoa
- Auloporida
- Syringoporidae
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Syringopora cf. reticulata
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Gastropoda
- Pseudozygopleuridae
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Eoptychia ? sp.
Longstaff 1933
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Gastropoda
- Naticopsidae
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Naticopsis sp.
M'Coy 1844
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Strophomenata
- Strophomenida
- Chonetidae
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Chonetes sp.
Fischer de Waldheim 1830
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C. (Megachonetes) sp. and C. (Rugosochonetes) sp. and C. sp. | ||||||||||
Chonetes (Rugosochonetes) vaughani
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Chonetes (Rugosochonetes) vaughani | ||||||||||
Strophomenata
- Productida
- Echinoconchidae
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Productus (Pustula) cf. rugatus
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original and current combination Pustula | ||||||||||
P. (Pustula) cf. rugatus | ||||||||||
Strophomenata
- Productida
- Productellidae
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Productus (Eomarginifera) aff. derbiensis
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P. (Eomarginifera) aff. derbiensis | ||||||||||
Productus (Buxtonia) ? sp.
Thomas 1914
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P. (Buxtonia?) | ||||||||||
Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria resupinata
(Martin 1809)
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Schizophoria cf. resupinata
(Martin 1809)
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Rhynchonellata
- Spiriferida
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Spiriferidina indet.
Waagen 1883
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smooth spiriferid | ||||||||||
Rhynchonellata
- Spiriferida
- Spiriferidae
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Unispirifer tornacensis
(de Koninck 1883)
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recombined as Atylephorus tornacensis | ||||||||||
Unispirifer cf. tornacensis
(de Koninck 1883)
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recombined as Atylephorus tornacensis | ||||||||||
Spirifer cf. konincki
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Rhynchonellata
- Athyridida
- Athyrididae
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Cleiothyridina ? sp.
Buckman 1906
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Ostracoda
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Ostracoda indet.
Latreille 1802
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see common names |
Geography
Country: | United Kingdom | State/province: | England | County: | Somerset |
Coordinates: | 51.3° North, 2.7° West (view map) | ||||
Paleocoordinates: | 14.7° South, 0.3° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | outcrop |
Time
Period: | Carboniferous | Epoch: | Early/Lower Mississippian |
Stage: | Tournaisian | 10 m.y. bin: | Carboniferous 1 |
*Period: | Early/Lower Carboniferous | *Epoch: | Middle Tournaisian - Late/Upper Tournaisian |
Key time interval: | Tournaisian | ||
Age range of interval: | 358.90000 - 346.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Black Rock | Regional bed: | 16 | ||
Regional order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: bed is 60 feet thick, top of bed is 741 feet above base of section; there is 75 feet of unexposed strata between bed 16 and 15. |
Lithology and environment
Primary lithology: | shelly/skeletal,black "limestone" |
Lithology description: black-hearted but fawn-weathering well-bedded rather fine-grained limestone with scattered coarse crinoidal debris; shaly partings which increase in importance downwards | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | replaced with silica |
Collection methods and comments
Collection excludes: | difficult macrofossils |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:No crinoid identifications are made in the list but the rock is described as having "crinoidal debris" |
Metadata
Database number: | 8738 | ||
Authorizer: | A. Miller | Enterer: | D. Carlson |
Modifier: | C. Ferguson | Research group: | marine invertebrate |
Created: | 2000-08-28 12:21:49 | Last modified: | 2004-03-13 22:45:01 |
Access level: | the public | Released: | 2000-11-20 13:53:40 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
681. | G. W. Green, M. A. Welch, and F. B. A. Welch. 1965. Geology of the Country around Wells and Cheddar (Explanation of One-inch Geological Sheet 280, New Series). Memoirs of the Geological Survey of Great Britain (280)1-225 [A. Miller/D. Carlson/O. Alfaro] |