Where: England, United Kingdom (51.8° N, 1.5° W: paleocoordinates 28.7° S, 3.6° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Emsian (407.6 - 393.3 Ma)
• Richardson 1967 says it is post-upper Lower Dittonian and possibly Breconian in age. A younger age is possible.
•Richarson & Rasul, 1978 report an Emsian age.
• group of beds-level stratigraphic resolution
Environment/lithology: gray mudstone and gray shale
Size classes: macrofossils, mesofossils, microfossils
Preservation: adpression, permineralized, coalified, replaced with pyrite
Collection methods: core, chemical,
Primary reference: W. G. Chaloner. 1963. Early Devonian spores from a borehole in southern England. Grana palynologica 4:100-110 [P. Gensel/M. Kotyk]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 11082: authorized by Pat Gensel, entered by Michele Kotyk on 12.07.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Emphanisporites | |
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Psilophytopsida | |
Dawsonites arcuatus Halle 1916 |