Where: England, United Kingdom (54.0° N, 2.7° W: paleocoordinates 1.1° S, 5.7° E)
• small collection-level geographic resolution
When: E2a3 zone, Roeburndale Formation, Arnsbergian (327.0 - 323.7 Ma)
• 18 m thick section
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary, phosphatic, argillaceous, silty mudstone and limestone
Primary reference: A. Brandon, N. Aitkenhead, R. G. Crofts, R. A. Ellison, D. J. Evans and N. J. Riley. 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey. Sheet 59 (England and Wales) 1-181 [J. Alroy/M. Sommers/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8620: authorized by John Alroy, entered by Mike Sommers on 11.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Conodonta indet. Pander 1856 conodont | |
unclassified | |
| |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Bivalvia | |
Dunbarella yatesae scallop | |
Posidonia lamellosa oyster | |
Cephalopoda | |
Eumorphoceras yatesae ammonite | |
Dimorphoceratidae indet. Hyatt 1884 ammonite | |
Kazakhoceras scaliger Schmidt 1934 ammonite | |
Anthracoceras sp. Frech 1899 ammonite | |
"Cravenoceras gairense" = Stenoglaphyrites gairensis
"Cravenoceras gairense" = Stenoglaphyrites gairensis Currie 1954 ammonite | |
Cravenoceras sp. Bisat 1928 ammonite | |
| |
Rhynchonellata | |
"Nudirostra cf. papyracea" = Leiorhynchus
"Nudirostra cf. papyracea" = Leiorhynchus | |
Crurithyris sp. George 1931 | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 |