List of fossiliferous stratigraphic units in the Republic of Ireland

Group or Formation Period Notes Ballyadams Formation Carboniferous Ballysteen Limestone Formation Carboniferous Boyne Group/Feltrim Formation Carboniferous Boyne Group/Slane Castle Formation Carboniferous Carboniferous Formation Carboniferous Clashford House Formation Ordovician Clogrenan Formation Carboniferous Cloonnamna Formation Silurian Courtown Formation Ordovician Dartry Limestone Formation Carboniferous Drom Point Formation Silurian Duncannon Formation Ordovician Duncannon Group/Campile Formation Ordovician Duncannon Group/Portrane Limestone Formation Ordovician Duncannon Group/Tramore Limestone Formation Ordovician Feltrim Formation Carboniferous Ferriters Cove Formation Silurian Fingal Group/Lucan Formation Carboniferous Fingal Group/Naul Formation Carboniferous Fingal Group/Tober Colleen Formation Carboniferous Glencar Limestone Formation Carboniferous Grange Allen Formation Ordovician Grangegeeth Group/Knockerk Formation Ordovician Harrylock Formation Devonian Hollyford Formation Silurian Holmpatrick Formation Carboniferous Hook head Formation Carboniferous Kilbride Formation Silurian Kilbride Limestone Formation Carboniferous Kilcoan Sands FormationCretaceous Kildare Limestone Formation Ordovician Kilmore Sandstone Group/Coomhola Formation Carboniferous, Devonian Kiltorcan Formation Devonian Kiltorcan beds Formation Devonian Knockerk Formation Ordovician Lane Formation Carboniferous Limerick Limestone Formation Carboniferous Lough Shee Mudrocks Formation Ordovician Lower Bricklieve Limestone Formation Carboniferous Mullaghfin Formation Carboniferous Murrisk Group/Mweelrea Formation Ordovician Navan Group/Liscartan Formation Carboniferous Navan Group/Meath Formation Carboniferous Navan Group/Moathill Formation Carboniferous New Red Sandstone Group / Kingscourt Gypsum Formation Permian New Red Sandstone Group / Kingscourt Sandstone Formation Triassic Old Red Sandstone Group/Kiltorcan Formation Devonian Porter's Gate Formation Carboniferous Ribband Group/Booley Bay Formation Cambrian Tourmakeady Formation Ordovician Upper Bricklieve Limestone Formation Carboniferous Upper Shawly Beds Formation Carboniferous West Cork Sandstone Formation Carboniferous

See also Lists of fossiliferous stratigraphic units in Europe

References