Black Rock Limestone from Burrington Combe, Bed 12, Lower Carboniferous, (Middle: Tournaisian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Stauriida
- Bothrophyllidae
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Caninophyllum patulum
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| closely septate form | ||||||||||
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Anthozoa
- Stauriida
- Cyathopsidae
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Caninia sp.
Michelin 1840
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| [cf. C. cornucopiae] | ||||||||||
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Caninia cornucopiae
Michelin 1840
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Anthozoa
- Stauriida
- Zaphrentoididae
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Zaphrentis konincki
Vaughan 1908
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| 'Zaphrentis' konincki forma typica | ||||||||||
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Anthozoa
- Stauriida
- Antiphyllidae
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Fasciculophyllum densum
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Anthozoa
- Stauriida
- Amplexidae
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Amplexus spp.
Sowerby 1814
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| Amplexus sp. and A. or Caninia? | ||||||||||
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Anthozoa
- Stauriida
- Cyathaxoniidae
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Cyathaxonia cornu
Michelin 1846
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Strophomenata
- Orthotetida
- Pulsiidae
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Schellwienella cf. aspis
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Tylothyris sp.
North 1920
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria sp.
King 1850
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Schizophoria resupinata
(Martin 1809)
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Stenolaemata
- Cryptostomata
- Fenestellidae
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Fenestella sp.
Lonsdale 1839
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Gastropoda
- Bellerophontida
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Bellerophon ? sp.
de Montfort 1808
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= Bellerophontoidea indet.
M'Coy 1851
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Wagner 2023 | |||||||||
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Bivalvia
- Pectinida
- Limipectinidae
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Acanthopecten ? sp.
Girty 1903
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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: | 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: | 358.9 - 346.7 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Black Rock | Regional bed: | 12 | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: bed is 67 feet thick; top of bed is 426 feet above the base of the section; top 16 feet well-bedded massive limestone with shaly partings, next 9 feet rubble, remainder poorly-bedded slightly rubbly | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal,black,gray "limestone" |
| Lithology description: black and dark grey rather fine-grained limestone with scattered coarse crinoidal debris | |
| 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 containing "crinoidal debris". Fossils appreciably silicified in top 20-25 feet. | |
Metadata
| Database number: | 8712 | ||
| Authorizer: | A. Miller, P. Wagner | Enterer: | D. Carlson, P. Wagner |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2000-08-28 08:35:57 | 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] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |