Lough Mask, western shore, near Tourmakeady (Silurian of Ireland)

Also known as Toormakeady

Where: Connacht, Ireland (53.7° N, 9.4° W: paleocoordinates 18.4° S, 24.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kilbride Formation, Telychian (438.5 - 433.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; burrowed, gray siltstone

• " [...] grey, slightly cleaved, bioturbated siltstone." (Evans, 2002)

Size class: macrofossils

Preservation: cast

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 89146: authorized by Björn Kröger, entered by Torsten Liebrecht on 06.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Oncocerida - Oncoceratidae
? Cyrtorizoceras sp. Hyatt 1900
GSI F00061; referred to as "Amphicyrtoceras? sp." in Evans (1994, Irish J. Earth. Sci. 13, p. 141)