Where: England, United Kingdom (52.0° N, 2.0° W: paleocoordinates 25.5° S, 8.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: micrornatus-newportensis spore biozone zone, Lower Ditton Group, Lochkovian (419.2 - 410.8 Ma)
• 60 m above the main Psammosteus limestone horizon.
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; green sandstone and sandstone
Size classes: macrofossils, mesofossils, microfossils
Preservation: adpression, permineralized, coalified, original carbon, original sporopollenin, replaced with pyrite
Collection methods: chemical, mechanical, peel or thin section,
• Lang, 1937 only described Cooksonia; D. Edwards recollected later, but does not indicate how many times. All names except C. hemisphaerica, Parka, and Nematothallus were from the later Edwards' collection(s).
Primary reference: W. H. Lang. 1937. On the plant-remains from the Downtonian of England and Wales. Philosophical Transactions of the Royal Society 227B:245-291 [P. Gensel/M. Kotyk/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 10679: authorized by Pat Gensel, entered by Michele Kotyk on 13.06.2001, edited by Phil Novack-Gottshall
Creative Commons license: CC BY (attribution)