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
Amplexus sp. Sowerby 1814
Anthozoa - Stauriida - Antiphyllidae
Fasciculophyllum densum
Anthozoa - Stauriida - Aulophyllidae
Cyathoclisia tabernaculum
Anthozoa - Stauriida - Cyathopsidae
Caninia cylindrica
Anthozoa - Auloporida - Syringoporidae
Syringopora cf. reticulata
Gastropoda - Pseudozygopleuridae
Eoptychia ? sp. Longstaff 1933
Gastropoda - Naticopsidae
Naticopsis sp. M'Coy 1844
Strophomenata - Strophomenida - Chonetidae
C. (Megachonetes) sp. and C. (Rugosochonetes) sp. and C. sp.
Chonetes (Rugosochonetes) vaughani
Chonetes (Rugosochonetes) vaughani
Strophomenata - Productida - Echinoconchidae
Productus (Pustula) cf. rugatus
original and current combination Pustula
P. (Pustula) cf. rugatus
Strophomenata - Productida - Productellidae
Productus (Eomarginifera) aff. derbiensis
P. (Eomarginifera) aff. derbiensis
Productus (Buxtonia) ? sp. Thomas 1914
P. (Buxtonia?)
Rhynchonellata - Orthida - Schizophoriidae
Schizophoria resupinata (Martin 1809)
Schizophoria cf. resupinata (Martin 1809)
Rhynchonellata - Spiriferida
Spiriferidina indet. Waagen 1883
smooth spiriferid
Rhynchonellata - Spiriferida - Spiriferidae
Unispirifer tornacensis (de Koninck 1883)
recombined as Atylephorus tornacensis
Unispirifer cf. tornacensis (de Koninck 1883)
recombined as Atylephorus tornacensis
Spirifer cf. konincki
Rhynchonellata - Athyridida - Athyrididae
Cleiothyridina ? sp. Buckman 1906
Ostracoda
Ostracoda indet. Latreille 1802
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]