List of fossiliferous stratigraphic units in England

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Group or Formation Period Notes
Alston Group / Knipe Scar LimestoneCarboniferous
Alston Group / Potts Beck LimestoneCarboniferous
Ampthill ClayJurassic
Ancholme Group / Kimmeridge ClayJurassic
Ancholme Group / Oxford ClayJurassic
Ashfell LimestoneCarboniferous
Aymestry Limestone FormationSilurian
Baggy Sandstones FormationDevonian
Bala Group / Chatwell Flags FormationOrdovician
Barton FormationPalaeogene
Barton BedsPalaeogene
Barton ClayPalaeogene
Bee Low LimestonesCarboniferous
Belemnite MarlsJurassic
Bembridge LimestonePalaeogene
Bembridge MarlsPalaeogene
Bentham GritCarboniferous
Berkshire Oolite FormationJurassic
Black Rock FormationCarboniferous
Blackdown Greensand FormationCretaceous
Blackheath BedsPalaeogene
Blue Lias FormationJurassic
Bracklesham FormationPalaeogene
Bracklesham BedsPalaeogene
Bracklesham Group / Earnley FormationPalaeogene
Bracklesham Group / Elmore FormationPalaeogene
Bracklesham Group / Marsh Farm FormationPalaeogene
Bracklesham Group / Selsey FormationPalaeogene
Bracklesham Group / Wittering FormationPalaeogene
Bringewood BedsSilurian
Brockenhurst BedsPalaeogene
Bromsgrove SandstoneTriassic
Burwell Rock FormationCretaceous
Calcareous GritJurassic
Carboniferous LimestoneCarboniferous
Carmarthen FormationOrdovician
Carstone FormationCretaceous
Caton ShalesCarboniferous
Cauldon Low Conglomerate FormationCarboniferous
Cauldon Low LimestoneCarboniferous
Cementstone FormationCarboniferous
Chalk FormationCretaceous
Chalk Marl FormationCretaceous
Chalk Group / "Upper Chalk" FormationCretaceous
Chalk Group / Lower Chalk FormationCretaceous
Chalk Group / Lower FormationCretaceous
Charmouth Mudstone FormationJurassic
Chee Tor LimestoneCarboniferous
Cheney Longville FormationOrdovician
Chillesford ClayQuaternary
Claxby Ironstone FormationCretaceous
Clifton Down LimestoneCarboniferous
Cockhill Marine BandCarboniferous
Colsterdale Marine BedsCarboniferous
Coral Rag FormationJurassic
Corallian Oolite FormationJurassic
Corallian Group / Coral Rag FormationJurassic
Corallian Group / Kingston FormationJurassic
Coralline Crag FormationNeogene
Coralline Oolite FormationJurassic
Cornbrash FormationJurassic
Cotswold Slate FormationJurassic
Crag Group / Norwich Crag FormationQuaternary
Crag Group / Weybourne Crag Formation
Creechbarrow LimestonePalaeogene
Cromer Forest Bed Formation
Cromer Knoll Formation
Cromer Knoll Group / Spilsby SandstoneCretaceous
Crossdale ShalesCarboniferous
Crugan Mudstone FormationOrdovician
Dartmouth BedsDevonian
Denbury Crinoidal LimestoneDevonian
Dent Group / Keisley LimestoneOrdovician
Ditton FormationDevonian
Downton Castle SandstoneSilurian
Downton SandstoneSilurian
Downton Group / Downton Castle SandstoneSilurian
Downton Group / Rushall FormationSilurian
Dufton ShalesOrdovician
Durlston FormationCretaceous
Duyfor MudstoneOrdovician
East Ogwell LimestoneDevonian
Eggardon GritCretaceous
Elton BedsSilurian
Eyam LimestoneCarboniferous
Eyam Limestones FormationCarboniferous
Farne Group / Scremerston FormationCarboniferous
Forest Bed Formation
Forest Hollow BedsCarboniferous
Forest Marble FormationJurassic
Frome ClayJurassic
Fuller's Earth FormationJurassic
Gault FormationCretaceous
Glauconitic Marl FormationCretaceous
Great Oolite FormationJurassic
Great Oolite Group / Bath Oolite FormationJurassic
Great Oolite Group / Chipping Norton LimestoneJurassic
Great Oolite Group / Cornbrash FormationJurassic
Great Oolite Group / Forest Marble FormationJurassic
Great Oolite Group / Hampen Marly FormationJurassic
Great Oolite Group / Sharp's Hill FormationJurassic
Great Oolite Group / Taynton LimestoneJurassic
Great Oolite Group / White LimestoneJurassic
Great Scar Limestone Group / Ashfell FormationCarboniferous
Great Scar Limestone Group / Danny Bridge FormationCarboniferous
Greta GritCarboniferous
Habberley ShaleOrdovician
Hambleton Oolite FormationJurassic
Hampen Marly FormationJurassic
Hartshill FormationCambrian
Harwich FormationPalaeogene
Hastings FormationCretaceous
Hastings BedsCretaceous
Hastings Beds Group / Wadhurst ClayCretaceous
Hastings Group / Grinstead ClayCretaceous
Headon FormationPalaeogene
Headon Hill FormationPalaeogene
Hempstead FormationPalaeogene
Hilton Plant BedsPermian
Holderness Formation
Hope ShaleOrdovician
Hopedale Limestones FormationCarboniferous
Hotwells FormationCarboniferous
Inferior Oolite FormationJurassic
Inferior Oolite Group / Chipping Norton LimestoneJurassic
Inferior Oolite Group / Middle Inferior Oolite FormationJurassic
Inferior Oolite Group / Northampton SandsJurassic
Inferior Oolite Group / Upper Inferior Oolite FormationJurassic
Infracombe Slates Group / Combe Martin Slates FormationDevonian
Insect Bed FormationTriassic
Iron SandsJurassic
Junction Bed FormationJurassic
Keisley FormationOrdovician
Kimmeridge ClayJurassic
Kimmeridge FormationJurassic
Kirkby Moor Flags FormationSilurian
Ledbury FormationSilurian
Leintwardine FormationSilurian
Leintwardine BedsSilurian
Lias FormationJurassic, Triassic
Lias Group / Beacon Limestone FormationJurassic
Lias Group / Blue Lias FormationJurassic, Triassic
Lias Group / Charmouth Mudstone FormationJurassic
Lias Group / Dyrham FormationJurassic
Lias Group / Marlstone Rock FormationJurassic
Lias Group / Scunthorpe Mudstone FormationTriassic
Lias Group / Whitby Mudstone FormationJurassic
Lincolnshire LimestoneJurassic
Llanfallteg FormationOrdovician
London ClayPalaeogene
Lower Borland ShalesCarboniferous
Lower Calcareous GritJurassic
Lower Chalk FormationCretaceous
Lower Chalk Group / Abbott's Cliff FormationCretaceous
Lower Chalk Group / Cambridge Greensand FormationCretaceous
Lower Chalk Group / Chalk Marl FormationCretaceous
Lower Comley FormationCambrian
Lower Ditton FormationDevonian
Lower Greensand FormationCretaceous
Lower Greensand Group / Atherfield ClayCretaceous
Lower Greensand Group / Faringdon Sand FormationCretaceous
Lower Greensand Group / Ferruginous SandsCretaceous
Lower Greensand Group / Folkestone FormationCretaceous
Lower Greensand Group / Hythe FormationCretaceous
Lower Greensand Group / Sandgate FormationCretaceous
Lower Greensand Group / Woburn Sand FormationCretaceous
Lower Hamstead BedsPalaeogene
Lower Headon BedsPalaeogene
Lower Limestone Group / Great Scar LimestoneCarboniferous
Lower Marl FormationPermian
Ludlow FormationSilurian
Lulworth FormationCretaceous
Lynton Slates FormationDevonian
Magnesian Conglomerate FormationTriassic
Malton Oolite FormationJurassic
Mammaliferous Crag Formation
Marl Slate FormationPermian
Mercia Mudstone Group / Blue Anchor FormationTriassic
Mercia Mudstone Group / Keuper Waterstones FormationTriassic
Mercia Mudstone Group / Tarporley Siltstone FormationTriassic
Merevale ShalesOrdovician
Middle Calcareous GritJurassic
Middle Chalk FormationCretaceous
Middle Headon BedsPalaeogene
Middle Inferior Oolite FormationJurassic
Middle Limestone Group / Five Yard Limestone VI FormationCarboniferous
Middle Limestone Group / Five Yard Limestone VI Cyclothem FormationCarboniferous
Middle Limestone Group / Five Yard Limestone VIa FormationCarboniferous
Middle Limestone Group / Five Yard Limestone VIa Cyclothem FormationCarboniferous
Middle Limestone Group / Five Yard Limestone VIb FormationCarboniferous
Middle Limestone Group / Gayle Limestone Cyclothem FormationCarboniferous
Middle Limestone Group / Gayle Limestone II FormationCarboniferous
Middle Limestone Group / Gayle ShaleCarboniferous
Middle Limestone Group / Hardrow Scar Limestone III FormationCarboniferous
Middle Limestone Group / Hardrow Scar Limestone III Cyclothem FormationCarboniferous
Middle Limestone Group / Hardrow Scar Limestone IIIa FormationCarboniferous
Middle Limestone Group / Hardrow Scar Limestone IIIb FormationCarboniferous
Middle Limestone Group / Hardrow Scar Limestone IIIc FormationCarboniferous
Middle Limestone Group / Hawes Limestone I FormationCarboniferous
Middle Limestone Group / Middle Limestone V FormationCarboniferous
Middle Limestone Group / Middle Limestone V Cyclothem FormationCarboniferous
Middle Limestone Group / Middle Limestone Va FormationCarboniferous
Middle Limestone Group / Middle Limestone Va Cyclothem FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IV FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IV Cyclothem FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVa FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVa Cyclothem FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVb FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVb Cyclothem FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVc FormationCarboniferous
Middle Limestone Group / Simonstone Limestone IVc Cyclothem FormationCarboniferous
Middle Limestone Group / Three Yard Limestone VII FormationCarboniferous
Middle Limestone Group / Three Yard Limestone VII Cyclothem FormationCarboniferous
Middle Limestone Group / Underset Limestone VIII FormationCarboniferous
Milldale LimestoneCarboniferous
Monsal Dale Limestones FormationCarboniferous
Much Wenlock FormationSilurian
Mytton Flag FormationOrdovician
Mytton Flags and Tankerville FormationOrdovician
Namurian Series FormationCarboniferous
Norwich Crag FormationQuaternary
Nothe Grits FormationJurassic
Ogof Hen FormationOrdovician
Oldhaven FormationPalaeogene
Oldhaven BedsPalaeogene
Osborne BedsPalaeogene
Osgodby FormationJurassic
Osmington Oolite FormationJurassic
Overton FormationSilurian
Oxford ClayJurassic
Parrot Coal FormationCarboniferous
Passage BedsJurassic
Penarth Group / Lilstock FormationTriassic
Penarth Group / Westbury FormationTriassic
Penarth Group / White Lias FormationJurassic, Triassic
Pendle GritCarboniferous
Penarth Group / Cotham FormationTriassic
Penarth Group / Westbury FormationTriassic
Petherwin Group / Baggy FormationDevonian
Pilton FormationDevonian
Pilton ShalesCarboniferous, Devonian
Pontyfenni FormationOrdovician
Portland FormationJurassic
Portland Oolite FormationJurassic
Portland Group / Portland Stone FormationJurassic
Purbeck FormationCretaceous, Jurassic
Purbeck Group / Durlston FormationCretaceous
Purbeck Group / Lulworth FormationCretaceous, Jurassic
Ravenscar FormationJurassic
Ravenscar Group / Cloughton FormationJurassic
Ravenscar Group / Eller Beck FormationJurassic
Ravenscar Group / Lower Saltwick FormationJurassic
Ravenscar Group / Saltwick FormationJurassic
Ravenscar Group / Scalby FormationJurassic
Ravenscar Group / Scarborough FormationJurassic
Reading BedsPalaeogene
Red Crag FormationNeogene
Ringstead Coral Bed FormationJurassic
Roeburndale FormationCarboniferous
Rutland FormationJurassic
Sabden ShaleCarboniferous
Saltwick FormationJurassic
Sandringham SandsJurassic
Sandringham SandstoneCretaceous
Sandsfoot GritJurassic
Selborne Group / Gault FormationCretaceous
Selborne Group / Upper Greensand FormationCretaceous
Selsey FormationPalaeogene
Sharp's Hill FormationJurassic
Sherwood Sandstone Group / Bromsgrove SandstoneTriassic
Sherwood Sandstone Group / Otter Sandstone FormationTriassic
Shunner Fell FormationCarboniferous
Skegness ClayCretaceous
Solenopora BedsCarboniferous
Solent Group / Bouldnor FormationPalaeogene
Speeton ClayCretaceous
Spilsby SandstoneCretaceous, Jurassic
Stanford FormationJurassic
Stockdale ShalesSilurian
Suffolk Pebble BedsPalaeogene
Tamar Group / Torquay FormationDevonian
Tankerville FormationOrdovician
Tarnbrook Wyre Marine BedsCarboniferous
Temeside ShaleSilurian
Thanet FormationPalaeogene
Blue Lias FormationJurassic
Torquay LimestoneDevonian
Trigonia clavellata FormationJurassic
Upnor FormationPalaeogene
Upper Border FormationCarboniferous
Upper Bowland ShalesCarboniferous
Upper Calcareous GritJurassic
Upper Chalk FormationCretaceous
Upper Coal Measures FormationCarboniferous
Upper Comley FormationCambrian
Upper Greensand FormationCretaceous
Upper Headon BedsPalaeogene
Upper Limestone Group / Main Limestone IX FormationCarboniferous
Upper Ludlow FormationSilurian
Urswick LimestoneCarboniferous
Warwickshire Group / Kenilworth SandstonePermian
Waterhouses LimestoneCarboniferous
Weald ClayCretaceous
Weald Clay Group / Lower Weald ClayCretaceous
Weald Clay Group / Upper Weald ClayCretaceous
Wealden FormationCretaceous
Wealden Group / Ashdown FormationCretaceous
Wealden Group / Tunbridge Wells Sand FormationCretaceous
Wealden Group / Vectis FormationCretaceous
Wealden Group / Wadhurst ClayCretaceous
Wealden Group / Weald FormationCretaceous
Wealden Group / Weald ClayCretaceous
Wealden Group / Wessex FormationCretaceous
Weaver BedsCarboniferous
Wenlock FormationSilurian
Wenlock ShaleSilurian
Wessex FormationCretaceous
Westbury FormationTriassic
Westbury ShalesTriassic
Weston Flags FormationOrdovician
Weybourne Crag Formation
Whitby Mudstone FormationJurassic
Whitcliffe FormationSilurian
Whitcliffe BedsSilurian
White Chalk FormationCretaceous
White LimestoneJurassic
Wittering FormationPalaeogene
Woolwich & Reading BedsPalaeogene
Woolwich and Reading FormationPalaeogene
Wych BedsSilurian
Yeovil SandsJurassic
Yoredale Group / Alston FormationCarboniferous
Zechstein Group / Marl Slate FormationPermian

References

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