St. Audrie's Bay, 15.0 m, Somerset, SW England (Jurassic of the United Kingdom)

Where: England, United Kingdom (51.2° N, 3.3° W)

• Paleocoordinates: 36.0° N, 8.9° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Blue Lias Formation (Lias Group), Planorbis (201.3 - 196.5 Ma)

• distance above base of Wilton member, Blue Anchor Fm.; Heliosporites reissingeri Zone

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, black shale

• Water depths of at least a few tens of meters, sufficient to prevent wave-mixing of bottom waters, have been inferred; oxygen depletion.
• laminated black, organic-rich shale

Size class: macrofossils

Collection methods: bulk, mechanical,

• 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 78491: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.02.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
"Modiolus hillanus" = Modiolus (Cyranus) hillanus
"Modiolus hillanus" = Modiolus (Cyranus) hillanus Sowerby 1818 mussel
 Ostreida - Gryphaeidae