D153 (Ordovician to of the United Kingdom)

Where: United Kingdom (55.4° N, 3.9° W: paleocoordinates 21.0° S, 28.7° W)

• coordinate estimated from map

When: Tweeddale Member (Kirkcolm Formation), Aurelucian to Aurelucian (460.9 - 452.0 Ma)

Environment/lithology: lithified, calcareous breccia

• This clast-supported breccia has a fin grained matrix; the clasts are predominantly sub-rounded, calcareous mudstone up to 5 mm in diameter.

Size class: microfossils

Primary reference: H. A. Armstrong. 1997. Conodonts from the Ordovician Shinnel Formation, Southern Uplands, Scotland. Palaeontology 40(3):763-797 [E. Jarochowska/E. Jarochowska]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 187088: authorized by Emilia Jarochowska, entered by Sarah Haegele on 13.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ozarkodinida -
Periodon aculeatus Hadding 1913 conodont