Also known as Black Rock Limestone from Burrington Combe, Bed 8, Lower Carboniferous, (Middle-
Where: England, United Kingdom (51.3° N, 2.7° W: paleocoordinates 13.5° S, 0.1° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Black Rock Limestone Formation (Pembroke Limestone Group), Ivorian (353.8 - 345.3 Ma)
• bed is 23 feet thick; top of bed is 278 feet above base; complete lithological passage into rocks below; base taken arbitrarily at a deeply eroded shale parting
• 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 8702: authorized by Arnold Miller, entered by Donna Carlson on 27.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Zaphrentites delanouei horn coral | |
| |
Michelinia favosa tabulate coral | |
Gastropoda | |
Straparollus sp. de Montfort 1810 snail | |
Bivalvia | |
Aviculopecten sp. M'Coy 1851 scallop | |
Strophomenata | |
Schuchertella ? sp. Girty 1904 | |
| |
"Leptaena analoga" = Leptagonia analoga
"Leptaena analoga" = Leptagonia analoga Phillips 1836 | |
"Productus (Pustula) cf. tenuipustulosus" = Pustula
| |
"Productus (Dictyoclostus) multispiniferus" = Dictyoclostus
| |
Rhynchonellata | |
Camarotoechia sp. Hall and Clarke 1893 | |
Rhipidomella michelini L'Eveille 1835 | |
Schizophoria ? sp. King 1850 | |
| |
"Unispirifer tornacensis" = Atylephorus tornacensis
"Unispirifer tornacensis" = Atylephorus tornacensis de Koninck 1883 | |
Dielasma sp. King 1856 | |
Stenolaemata | |
Fenestella sp. Lonsdale 1839 | |
Trilobita | |
Phillipsia truncatula trilobite
Phillipsia sp. Portlock 1843 trilobite |