Llanfawr Quarry 1, Llandrindod (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.2° N, 3.4° W: paleocoordinates 51.8° S, 18.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Llanfawr Mudstone Formation, Sandbian (458.4 - 453.0 Ma)

• "Cyathophycus beds"

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

• middle to outer shelf
• 0.7 m of highly trilobitic blue mudstones

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. P. Botting. 2004. An exceptional Caradoc sponge fauna from the Llanfawr Quarries, central Wales and phylogenetic implications. Journal of Systematic Palaeontology 2(1):31-63 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120626: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Asaphida - Raphiophoridae
Cnemidopyge sp. Whittard 1955 trilobite
 Asaphida - Trinucleidae
Trinucleus sp. Murchison 1839 trilobite
 Asaphida - Nileidae
Barrandia sp. McCoy 1849 trilobite
 Bireclinata -
Climacograptus brevis climacograptid
 Protomonaxonida - Hazeliidae
Xylochos palindromica Botting 2004 demosponge
 Protomonaxonida - Piraniidae
Pirania llanfawrensis n. sp. Botting 2004 demosponge
Hemidiagoniella sp. Botting 2004 glass sponge
 Reticulosa - Hintzespongiidae
Cyathophycus loydelli n. sp. Botting 2004 glass sponge
 Reticulosa - Asthenospongiidae
Granulispongia obscura Botting 2004 glass sponge