East of Glandulas (Ordovician of the United Kingdom)
Where: Wales, United Kingdom (51.8° N, 3.6° W: paleocoordinates 46.8° S, 17.6° W)
• small collection-level geographic resolution
When: Rawtheyan (448.8 - 445.2 Ma)
• no formation name given.
• member-level stratigraphic resolution
Environment/lithology: offshore; lithified, bioturbated, concretionary, pyritic, gray siltstone
• dark to blue-grey muddy siltstones weathering paler or mottled, with manganese stained surfaces. widely dispersed grains of quartz, feldspar, secondary pyrite up to 0.2 mm. bioturbation; nodules several cm diam;
Primary reference: A. Williams and A. D. Wright. 1981. The Ordovician-Silurian boundary in the Garth area of southwest Powys, Wales. Geological Journal 16:1-39 [J. Alroy/M. Sommers/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8368: authorized by John Alroy, entered by Mike Sommers on 10.07.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Trilobita | |
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Decoroproetus cf. papyraceus Törnquist 1884 trilobite | |