Carrigadaggan (single ash bed) (Ordovician of Ireland)

Where: Leinster, Ireland (52.4° N, 6.8° W: paleocoordinates 52.3° S, 21.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Campile Formation (Duncannon Group), Burrellian (457.5 - 455.8 Ma)

• Campile Fm. = Annestown Fm. of Parkes (1994, Bull. Nat. Hist. Mus. Geol. 50)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; tuffaceous, volcaniclastic mudstone

• "fine-grained ash containing sporadic feldspar xenocrysts up to 1 mm in diameter"

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: GSI = Geological Survey of Ireland

Primary reference: D. H. Evans. 2002. Some Additional Ordovician and Silurian Cephalopods from Ireland. In P. N. Wyse Jackson, M. A. Parkes and R. Wood (eds.), Studies in Palaeozoic palaeontology and biostratigraphy in honour of Charles Hepworth Holland. Special Papers in Paleontology 67:77-96 [B. Kröger/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89143: authorized by Björn Kröger, entered by Torsten Liebrecht on 06.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Asaphida - Trinucleidae
Trinucleidae indet. Hawle and Corda 1847 trilobite
 Lichida - Lichidae
Lichidae indet. Hawle and Corda 1847 trilobite
 Orthida - Productorthidae
Nicolella sp. Reed 1917
 Orthocerida -
? Orthocerida indet. Kuhn 1940
GSI F05389a/b
 Orthocerida - Tripteroceratidae
? Allumettoceras sp. Foerste 1926
GSI F08395
Bryozoa indet. Ehrenberg 1831