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 Formation	Cretaceous
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

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.