Also known as Winter Hill, Gastrioceras cumbriense Marine Band, shale Unit 3, the acme shale
Where: England, United Kingdom (53.6° N, 2.4° W: paleocoordinates 1.2° S, 6.2° E)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Namurian Series Formation, Pendleian to Pendleian (330.9 - 318.7 Ma)
• The Gastrioceras cumbriense Marine Band generally does not exceed 60cm in thickness. The band is split into five units, the lower barren shales (Unit 1), the advance shales (Unit 2), the acme shales (Unit 3), the retreat shales (Unit 4), and the upper barren shales (Unit 5).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, pyritic, black, gray shale
Size class: macrofossils
Primary reference: P. B. Wignall. 1987. A biofacies analysis of the Gastroceras cumbriense marine band (Namurian) of the central Pennines. Proceedings of the Yorkshire Geological Society 46(2):111-121 [J. Alroy/C. Simpson/C. Simpson]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 41221: authorized by John Alroy, entered by Carl Simpson on 09.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
cf. Calamites sp. Suckow 1784 | |
Crinoidea | |
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Conodonta | |
Conodonta indet. conodont | |
Gnathostomata | |
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Osteichthyes | |
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Cephalopoda | |
Homoceratoides aff. divaricatus ammonite | |
Anthracoceratites sp. Ramsbottom 1970 ammonite | |
Gastrioceras cumbriense, Gastrioceras aff. coronatum, Gastrioceras aff. subcrenatum, Gastrioceras spp.
Gastrioceras cumbriense ammonite
Gastrioceras aff. coronatum ammonite
Gastrioceras aff. subcrenatum ammonite | |
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Gastropoda | |
Ptychomphalus sp. Agassiz 1839 snail | |
Bivalvia | |
Dunbarella elegans scallop | |
Caneyella aff. semisulcata oyster | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 |