ammonites
St. Audrie's Bay, 3.8 m, Somerset, SW England (Triassic of the United Kingdom)

Where: United Kingdom (51.2° N, 3.3° W: paleocoordinates 36.2° N, 0.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Westbury Formation, Rhaetian (205.6 - 201.6 Ma)

• distance above base of Wilton member, Blue Anchor Fm.; Rhaetipollis germanicus Zone

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified packstone

• The sediments of the Westbury Fm. were deposited in a storm-dominated, shallow epeiric sea. Bioclastic packstones represent winnowed shallow marine concentrations.
• interbedded bioclastic packstone or wackestone

Size class: macrofossils

Collection methods: bulk, peel or thin section,

• Housed in the Department of Earth Sciences, University of Bristol.

Primary reference: L. Mander, R. J. Twitchett, and M. J. Benton. 2008. Palaeoecology of the Late Triassic extinction event in the SW UK. Journal of the Geological Society, London 165:319-332 [M. Aberhan/S. Nurnberg] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 78452: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.02.2008