Afon Bryn-Ilin-fawr section 180 m (Cambrian of the United Kingdom)

Where: United Kingdom (52.9° N, 3.8° W: paleocoordinates 78.3° S, 25.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Acerocare trilobite zone, Dolgellau Member (Cwmhesgen Formation), Furongian (497.0 - 485.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, black mudstone and lithified siltstone

• shallow water but poorly oxygenated
• hard black mudstones and siltstone with grey partings

Size class: macrofossils

Primary reference: A. W. A. Rushton. 1982. The biostratigraphy and correlation of Merioneth-Tremadoc Series boundary in North Wales. In M. G. Bassett, W. T. Dean (eds.), The Cambrian-Ordovician Boundary: Sections, fossil distributions, and correlations 3:41-60 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 229511: authorized by Melanie Hopkins, entered by Melanie Hopkins on 14.03.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Lingulata
 Lingulida - Elkaniidae
Broeggeria salteri
Trilobita
 Olenida - Olenidae
Parabolina cf. acanthura