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)
Taxonomic list
unclassified | |
Salopella marcensis n. sp.4, Tortilicaulis transwalliensis4, Uskiella reticulata n. sp.4, cf. Uskiella reticulata4, Tarrantia salopensis n. gen. n. sp.4, Rhyniophytina indet.3, Nematasketum diversiforme2, Salopella sp.3, Traquaraspis symondsi4
| |
Yarravia | |
cf. Yarravia sp.3 Lang and Cookson 1935 | |
Hostinella | |
Hostinella sp.3 Barrande 1882 | |
Psilophytopsida | |
Cooksonia cambrensis3, Cooksonia cf. caledonica3, Cooksonia pertoni3, Cooksonia hemisphaerica n. sp.
Cooksonia hemisphaerica n. sp. Lang 1937 also reported in Edwards & Fanning 1985 and Fanning et al. 1992.
| |
Parka decipiens | |
Parka decipiens Fleming 1857 | |
Nematothallus pseudovasculosa | |
Nematothallus pseudovasculosa Lang 1937 | |
Zosterophyllum | |
Demospongiae | |
Pachytheca cf. sphaerica Hooker 1861 chaetetid sponge | |
Eurypterida | |
| |
Pteraspidomorpha | |
|