Also known as Builth–Llandrindod Inlier

Where: Wales, United Kingdom (52.2° N, 3.4° W: paleocoordinates 58.7° S, 18.8° W)

• small collection-level geographic resolution

When: Didymograptus murchisoni graptolite zone, Gilwern Volcanic Formation (Builth Volcanic Group), Darriwilian (467.3 - 458.4 Ma)

• "upper part of the Gilwern Volcanic Formation and is unambiguously dated by means of abundant graptolites, including Didymograptus murchisoni (Fig. 1c) and Diplograptus foliaceus to the Middle Ordovician (Darriwilian) Didymograptus murchisoni Biozone and lithostratigraphically to the upper part of that biozone (about 462 million years ago)"

•(Ma); ref. 22)"

• group of beds-level stratigraphic resolution

Environment/lithology: fine channel fill; micaceous, volcaniclastic siltstone and tuffaceous ash

Size classes: macrofossils, mesofossils

Preservation: adpression, soft parts, original carbon, replaced with pyrite

Collected by J. Botting and L. Muir in 2013-2020

Collection methods: bulk, quarrying,

• "Figured material has been deposited in Amgueddfa Cymru—Museum Wales, Cardiff, UK (prefix NMW) and the Nanjing Institute of Geology and Palaeontology, Nanjing, China (prefix NIGP), with SCF microfossils deposited in the Museum of Evolution, Uppsala, Sweden (prefix PMU)." "Sampling consists of field collection performed by splitting rocks by hand (using standard geological hammers), with only the most abundant taxa not collected." Acid dissolution for SCFs.

Primary reference: J.P. Botting, L.A. Muir, S. Pates, L.M.E. McCobb, E. Wallet, S. Willman, Y. Zhang and J. Ma. 2023. A Middle Ordovician Burgess Shale-type fauna from Castle Bank, Wales (UK). Nature Ecology & Evolution 7:666-674 [P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 230215: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 24.05.2023

Creative Commons license: CC BY (attribution)