Wallace's Cast, near Wandel, Southern Uplands (Ordovician of the United Kingdom)

Where: Scotland, United Kingdom (55.5° N, 3.6° W: paleocoordinates 20.5° S, 28.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kirkcolm Formation, Caradoc (460.9 - 449.5 Ma)

• Shelly faunas (in particular trilobites and brachiopods) indicate an early-middle Cardocian horizon equivalent to the upper part of the Climacograptus peltifer to lower Dicranograptus clingani zones.

Environment/lithology: offshore; lithified, yellow mudstone

• Mass flow deposit that has transported a shallow water fauna.
• fossiliferous block of yellowish decalcified mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by A. Lamont

• Collection is Lamont Collection in National Museum of Scotland

Primary reference: M. S. Beresi, J. P. Botting, and E. N. K. Clarkson. 2010. A new demosponge, Choiaella scotica, from the Caradoc (Ordovician) of Wallace's Cast, Southern Uplands. Scottish Journal of Geology 46:77-84 [A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184250: authorized by Alistair McGowan, entered by Alistair McGowan on 10.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongea
 Protomonaxonida - Choiidae
Choiaella scotica n. sp. Beresi et al. 2010 demosponge
Holotype and paratype NMS G. 2008.15.1 & NMS G. 2008.15.2