List of fossiliferous stratigraphic units in Northern Ireland

Group or Formation	Period	Notes
Bardahessiagh Formation	Ordovician
Blackstokes Limestone Formation	Carboniferous
Blackwater Limestone Formation	Carboniferous
Carrickaness Sandstone Formation	Carboniferous
Chalk Marl Formation	Cretaceous
Glauconitic Chalk Formation	Cretaceous
Glencar Formation	Carboniferous
Killey Bridge Formation	Ordovician
Lias Formation	Jurassic
Lias Group/Waterloo Mudstone Formation	Jurassic
Limehill Beds Formation	Silurian
Maydown Limestone Formation	Carboniferous
Pernarth Group/Westbury Formation	Triassic
Tirnaskea Formation	Ordovician
Waterloo Formation	Jurassic
White Limestone Formation	Cretaceous

References

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

v t e Fossiliferous stratigraphic units of the countries and dependencies of Europe
Sovereign states	Albania Andorra Armenia Austria Azerbaijan Belarus Belgium Bosnia and Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Georgia Germany Greece Hungary Iceland Ireland Italy Kazakhstan Latvia Liechtenstein Lithuania Luxembourg Macedonia Malta Moldova Monaco Montenegro Netherlands Norway Poland Portugal Romania Russia San Marino Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey Ukraine United Kingdom England Northern Ireland Scotland Wales Vatican City
States with limited recognition	Abkhazia Kosovo Nagorno-Karabakh Northern Cyprus South Ossetia Transnistria
Dependencies and other territories	Faroe Islands Denmark Åland Islands Finland Svalbard Norway Akrotiri and Dhekelia / Gibraltar / Guernsey / Isle of Man / Jersey United Kingdom
Can also be considered as being in Asia.