Where: England, United Kingdom (51.3° N, 2.7° W: paleocoordinates 14.7° S, 0.3° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Black Rock Limestone Formation, Tournaisian (358.9 - 346.7 Ma)
• bed is 40 feet thick; top of bed is 346 feet above the base of the section
• bed-level stratigraphic resolution
Environment/lithology: marine; shelly/skeletal, black, gray limestone
Size class: macrofossils
Preservation: replaced with silica
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8709: authorized by Arnold Miller, entered by Donna Carlson on 28.08.2000, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Cravenia aff. tela horn coral | |
Amplexus sp. Sowerby 1814 horn coral | |
Cyathaxonia cornu Michelin 1846 horn coral | |
"Zaphrentis konincki" = Sychnoelasma hawbankense
"Zaphrentis konincki" = Sychnoelasma hawbankense Mitchell and Somerville 1988 horn coral 'Z.' konincki forma typica and 'Z.' konincki [between forma alpha and forma typica]
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Fasciculophyllum densum horn coral
Fasciculophyllum omaliusi horn coral | |
Allotropiophyllum cf. burringtonensis horn coral | |
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Caninia cornucopiae Michelin 1840 horn coral | |
Michelinia megastoma tabulate coral | |
Gastropoda | |
Bellerophontoidea indet. M'Coy 1851 snail | |
Straparollus sp. de Montfort 1810 snail | |
Strophomenata | |
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"Leptaena analoga" = Leptagonia analoga
"Leptaena analoga" = Leptagonia analoga Phillips 1836 | |
"Productus (Pustula) cf. tenuipustulosus" = Pustula
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"Productus (Dictyoclostus) aff. vaughani" = Dictyoclostus, "Productus (Dictyoclostus) sp." = Dictyoclostus
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Rhynchonellata | |
Schizophoria ? sp. King 1850
Schizophoria resupinata Martin 1809 | |
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"Unispirifer tornacensis" = Atylephorus tornacensis, Spirifer sp.
"Unispirifer tornacensis" = Atylephorus tornacensis de Koninck 1883
Spirifer sp. Sowerby 1818 | |
Cleiothyridina ? sp. Buckman 1906 | |
Bryozoa | |
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