| Group or Formation
|
Period
|
Country
|
Notes
|
| Adaffa Formation[1] |
Cretaceous |
Saudi Arabia |
|
| Agardhfjellet Formation[2] |
Jurassic |
Norway |
|
| Agrio Formation[3][4] |
Cretaceous |
Argentina |
|
| Akrabou Formation[5] |
Cretaceous |
Morocco |
|
| Allaru Mudstone Formation[6][7] |
Cretaceous |
Australia |
|
| Allen Formation |
Cretaceous |
Argentina |
|
| Alum Shale Formation |
Jurassic |
United Kingdom |
|
| Ampthill Clay Formation |
Jurassic |
United Kingdom |
|
| Ancholme Group/Kimmeridge Clay Formation |
Jurassic |
United Kingdom |
|
| Ancholme Group/Oxford Clay Formation |
Jurassic |
France
United Kingdom |
|
| Arauco Group/Quiriquina Formation |
Cretaceous |
Chile |
|
| Arcillas de Morella Formation |
Cretaceous |
Spain |
|
| Arctic Red Formation |
Cretaceous |
Canada |
|
| Argiles de Châtillon Formation |
Jurassic |
France |
|
| Argiles de Montaubert Formation |
Jurassic |
France |
|
| Argille Varicolori Formation |
Cretaceous |
Italy |
|
| Artemesia Formation |
Jurassic |
Cuba |
|
| Artoles Formation |
Cretaceous |
Spain |
|
| Ashville Formation |
Cretaceous |
Canada |
|
| Balqa Group/Phosphorite Unit Formation |
Cretaceous |
Jordan |
|
| Barrow Formation |
Cretaceous |
Australia |
|
| Barrow Group/Birdrong Sandstone Formation |
Cretaceous |
Australia |
|
| Bearpaw Formation |
Cretaceous |
Canada
United States |
|
| Bearpaw Shale Formation |
Cretaceous |
United States |
|
| Belly River Formation |
Cretaceous |
Canada |
|
| Belly River Group/Dinosaur Park Formation |
Cretaceous |
Canada |
|
| Bissekty Formation |
Cretaceous |
Uzbekistan |
|
| Blue Lias Formation |
Jurassic |
United Kingdom |
|
| Braunjura Group/Braunjura alpha & Braunjura beta Formation |
Jurassic |
France |
|
| Bückeberg Formation |
Cretaceous |
Germany |
|
| Calcaire de Caen Formation |
Jurassic |
France |
|
| Calcaire à Bélemnites Formation |
Jurassic |
France |
|
| Calcaires de MoulinFormation |
Jurassic |
France |
|
| Calcaires à Spatangues Formation |
Cretaceous |
France |
|
| Calcareous Grit Formation |
Jurassic |
United Kingdom |
|
| Carlile Shale Formation |
Cretaceous |
United States |
|
| Chalk Formation |
Cretaceous |
United Kingdom |
|
| Chalk Group/"Upper Chalk" Formation |
Cretaceous |
United Kingdom |
|
| Chalk Group/Lower Chalk Formation |
Cretaceous |
United Kingdom |
|
| Chalk Group/LowerFormation |
Cretaceous |
United Kingdom |
|
| Chalk Group/LowerFormation |
Cretaceous |
United Kingdom |
|
| Champion Bay Group/Colalura Sandstone Formation |
Jurassic |
Australia |
|
| Charmouth Mudstone Formation |
Jurassic |
United Kingdom |
|
| Chico Formation |
Cretaceous |
United States |
|
| Chico Group/Moreno Formation |
Cretaceous |
United States |
|
| Clearwater Formation |
Cretaceous |
Canada |
|
| Colorado Group/Belle Fourche Formation |
Cretaceous |
Canada
United States |
|
| Colorado Group/Carlile Shale Formation |
Cretaceous |
United States |
|
| Colorado Group/Graneros Shale Formation |
Cretaceous |
United States |
|
| Colorado Group/Greenhorn Limestone Formation |
Cretaceous |
United States |
|
| Colorado Group/Niobrara Formation |
Cretaceous |
Canada
United States |
|
| Conway Formation |
Cretaceous |
New Zealand |
|
| Conway Siltstone Formation |
Cretaceous |
New Zealand |
|
| Coon Creek Formation |
Cretaceous |
United States |
|
| Coral Rag Formation |
Jurassic |
United Kingdom |
|
| Corallian Oolite Formation |
Jurassic |
United Kingdom |
|
| Corallian Group/Coral Rag Formation |
Jurassic |
United Kingdom |
|
| Corallian Group/Kingston Formation |
Jurassic |
United Kingdom |
|
| Couche III Formation |
Cretaceous |
Morocco |
|
| Cuyo Group/Los Molles Formation |
Jurassic |
Argentina |
|
| Dinosaur Park Formation |
Cretaceous |
Canada |
|
| Dorotea Formation |
Cretaceous |
Chile |
|
| Duwi Formation |
Cretaceous |
Egypt |
|
| Eagle Ford Formation |
Cretaceous |
United States |
|
| Eagle Ford Group/Britton Formation |
Cretaceous |
United States |
|
| Estratos de Quebrada Municipalidad Formation |
Cretaceous |
Chile |
|
| Eutaw Formation |
Cretaceous |
United States |
|
| Evergreen Formation |
Jurassic |
Australia |
|
| Favel Formation |
Cretaceous |
Canada |
|
| Fernie Formation |
Jurassic |
Canada |
|
| Frontier Formation |
Cretaceous |
United States |
|
| Futaba Group/Ashizawa Formation |
Cretaceous |
Japan |
|
| Futaba Group/Tamayama Formation |
Cretaceous |
Japan |
|
| Great Estuarine Formation |
Jurassic |
United Kingdom |
|
| Great Estuarine Series Group/Estheria Shales Formation |
Jurassic |
United Kingdom |
|
| Great Estuarine Group/Lealt Shale Formation |
Jurassic |
United Kingdom |
|
| Great Oolite Formation |
Jurassic |
France |
|
| Gres de Mortinsart Formation |
Triassic |
Belgium |
|
| Grès de Infralias Formation |
Triassic |
France |
|
| Grünsandstein Formation |
Cretaceous |
Germany |
|
| Hailey Shales Formation |
Cretaceous |
United States |
|
| Hasle Formation |
Jurassic |
Denmark |
|
| Hastings Formation |
Cretaceous |
United Kingdom |
|
| Hastings Beds Group/Wadhurst Clay Formation |
Cretaceous |
United Kingdom |
|
| Hell Creek Formation |
Cretaceous |
United States |
|
| Hiccles Cove Formation |
Jurassic |
Canada |
|
| Hornerstown Formation |
Cretaceous |
United States |
|
| Isachsen Formation |
Cretaceous |
Canada |
|
| Itapecuru Formation |
Cretaceous |
Brazil |
|
| Alcântara Formation |
Cretaceous |
Brazil |
|
| Jagua Formation |
Jurassic |
Cuba |
|
| Jagüel Formation |
Cretaceous |
Argentina |
|
| Judith River Formation |
Cretaceous |
Canada
United States |
|
| Kajlâka Formation |
Cretaceous |
Bulgaria |
|
| Kangauz Formation |
Cretaceous |
Russian Federation |
|
| Kanguk Formation |
Cretaceous |
Canada |
|
| Katiki Formation |
Cretaceous |
New Zealand |
|
| Katrol Formation |
Jurassic |
India |
|
| Kimmeridge Clay Formation |
Jurassic |
France
United Kingdom |
|
| Kunrade Formation |
Cretaceous |
Netherlands |
|
| La Cabana Formation |
Cretaceous |
Spain |
|
| La Caja Formation |
Jurassic |
Mexico |
|
| La Casita Formation |
Jurassic |
Mexico |
|
| La Colonia Formation |
Cretaceous |
Argentina |
|
| La Luna Formation |
Cretaceous |
Venezuela |
|
| Lajas Formation |
Jurassic |
Argentina |
|
| Lake Waco Formation |
Cretaceous |
United States |
|
| Laramie Formation |
Cretaceous |
United States |
|
| Lias Formation |
Jurassic |
United Kingdom |
|
| Lias Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Blue Lias Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Charmouth Mudstone Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Dyrham Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Marlstone Rock Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Scunthorpe Mudstone Formation |
Triassic |
United Kingdom |
|
| Lias Group/Waterloo Mudstone Formation |
Jurassic |
United Kingdom |
|
| Lias Group/Whitby Mudstone Formation |
Jurassic |
United Kingdom |
|
| Lopez de Bertodano Formation |
Cretaceous |
Antarctica |
|
| Los Alamitos Formation |
Cretaceous |
Argentina |
|
| Lower Chalk Group/Cambridge Greensand Formation |
Cretaceous |
United Kingdom |
|
| Lower Green Sand Formation |
Cretaceous |
Russian Federation |
|
| Lower Greensand Group/Faringdon Sand Formation |
Cretaceous |
United Kingdom |
|
| Lower Greensand Group/Hythe Formation |
Cretaceous |
United Kingdom |
|
| Luxembourg Sandstone Formation |
Jurassic |
Luxembourg |
|
| López de Bertodano Formation |
Cretaceous |
Antarctica |
|
| Maaree Group/Bulldog Shale Formation[6][7] |
Cretaceous |
Australia |
|
| Maastricht Formation |
Cretaceous |
Belgium
Netherlands |
|
| Malargue Group/Roca Formation |
Cretaceous |
Argentina |
|
| Malargüe Formation |
Cretaceous |
Argentina |
|
| Malargüe Group/Allen Formation |
Cretaceous |
Argentina |
|
| Malargüe Group/Loncoche Formation |
Cretaceous |
Argentina |
|
| Mannville Group/Clearwater Formation |
Cretaceous |
Canada |
|
| Marambio Group/Snow Hill Island Formation |
Cretaceous |
Antarctica |
|
| Marnes de Dives Formation |
Jurassic |
France |
|
| Marnes de Gravelotte (=La Gravclotte Marls) Formation |
Jurassic |
France |
|
| Marree Group/Bulldog Shale Formation |
Cretaceous |
Australia |
|
| Mata Amarilla Formation |
Cretaceous |
Argentina |
|
| Mata Group/Tahora Formation |
Cretaceous |
New Zealand |
|
| Melovatka Formation |
Cretaceous |
Russian Federation |
|
| Mesaverde Formation |
Cretaceous |
United States |
|
| Middle Keuper Group/Knollenmergel Formation |
Triassic |
Switzerland |
|
| Middle Keuper Group/Trossingen Formation |
Triassic |
Germany |
|
| Middle Yezo Formation |
Cretaceous |
Japan |
|
| Middle Yezo Group/Chenaibo Formation |
Cretaceous |
Japan |
|
| Molecap Greensand |
Cretaceous |
Australia |
|
| Monmouth Group/Navesink Formation |
Cretaceous |
United States |
|
| Mont Formation |
Jurassic |
France |
|
| Montana Group/Pierre Shale Formation |
Cretaceous |
United States |
|
| Moreno Formation |
Cretaceous |
United States |
|
| Navesink Formation |
Cretaceous |
United States |
|
| Nekum Formation |
Cretaceous |
Netherlands |
|
| Neuquén Group/Anacleto Formation |
Cretaceous |
Argentina |
|
| Newcastle Formation |
Triassic |
New Zealand |
|
| Niobrara Formation |
Cretaceous |
United States |
|
| Otway Group/Eumeralla Formation |
Cretaceous |
Australia |
|
| Oxford Clay Formation |
Jurassic |
United Kingdom |
|
| Paja Formation |
Cretaceous |
Colombia |
|
| Paso del Sapo Formation |
Cretaceous |
Argentina |
|
| Penarth Group/Westbury Formation |
Triassic |
United Kingdom |
|
| Penarth Group/White Lias Formation |
Triassic |
United Kingdom |
|
| Pender Formation |
Cretaceous |
Canada |
|
| Pernarth Group/Westbury Formation |
Triassic |
United Kingdom |
|
| Pierre Shale Formation |
Cretaceous |
Canada
United States |
|
| Point Lookout Formation |
Cretaceous |
United States |
|
| Portland Oolite Formation |
Jurassic |
United Kingdom |
|
| Portland Group/Portland Stone Formation |
Jurassic |
United Kingdom |
|
| Posidonia Shale |
Jurassic |
Germany |
|
| Purbeck Formation |
Cretaceous, Jurassic |
United Kingdom |
|
| Purbeck Group/Lulworth Formation |
Cretaceous, Jurassic |
United Kingdom |
|
| Puskwaskau Formation |
Cretaceous |
Canada |
|
| Querecual Formation |
Cretaceous |
Venezuela |
|
| Quiriquina Formation |
Cretaceous |
Chile |
|
| Raritan Formation |
Cretaceous |
United States |
|
| Razorback Beds Formation |
Jurassic |
Australia |
|
| Rio del Lago Formation |
Triassic |
Italy |
|
| Rodiles Formation |
Jurassic |
Spain |
|
| Rolling Downs Group/Griman Creek Formation[6] |
Cretaceous |
Australia |
|
| Rolling Downs Group/Toolebuc Formation[6] |
Cretaceous |
Australia |
|
| Rolling Downs Group/Wallumbilla Formation[6] |
Cretaceous |
Australia |
|
| Rolling Downs Group/Winton Formation[6] |
Cretaceous |
Australia |
|
| Rosablanca Formation |
Cretaceous |
Colombia |
|
| Rosso Ammonitico Veronese Formation |
Jurassic |
Italy |
|
| Rybushka Formation |
Cretaceous |
Russian Federation |
|
| Sables de Glos Formation |
Jurassic |
France |
|
| Saint Formation |
Cretaceous |
Belgium |
|
| Santa Marta Formation |
Cretaceous |
Antarctica |
|
| Savel'evsk oil shales Formation |
Jurassic |
Russian Federation |
|
| Scalpa Sandstone Formation |
Jurassic |
United Kingdom |
|
| Selborne Group/Upper Greensand Formation |
Cretaceous |
United Kingdom |
|
| Selma Group/Mooreville Chalk Formation |
Cretaceous |
United States |
|
| Severn Formation |
Cretaceous |
United States |
|
| Snow Hill Island Formation |
Cretaceous |
Antarctica |
|
| Speeton Clay Formation |
Cretaceous |
United Kingdom |
|
| Spilsby Sandstone Formation |
Jurassic |
United Kingdom |
|
| Staffin Bay Formation |
Jurassic |
United Kingdom |
|
| Strzelecki Group/Wonthaggi Formation[6] |
Cretaceous |
Australia |
|
| Sundance Formation |
Jurassic |
United States |
|
| São Gião Formation |
Jurassic |
Portugal |
|
| Tadi Beds Formation |
Cretaceous |
Angola |
|
| Taylor Marl' Formation |
Cretaceous |
United States |
|
| Tessé Sandstones Formation |
Jurassic |
France |
|
| Thermopolis Shale Formation |
Cretaceous |
United States |
|
| Tioriori Group/Takatika Grit Formation |
Cretaceous |
New Zealand |
|
| Toolebuc Formation[6][7] |
Cretaceous |
Australia |
|
| Tropic Shale Formation |
Cretaceous |
United States |
|
| Trossingen Formation |
Triassic |
Switzerland |
|
| Tugulu Group/Lianmugin Formation |
Cretaceous |
China |
|
| Uitenhage series Formation |
Cretaceous |
South Africa |
|
| Uitenhage Group/Sundays River Formation |
Cretaceous |
South Africa |
|
| Upper Chalk Formation |
Cretaceous |
United Kingdom |
|
| Upper Gondwana Group/Umia Formation |
Jurassic |
India |
|
| Upper Greensand Formation |
Cretaceous |
United Kingdom |
|
| Upper Keuper Group/Exter Formation |
Triassic |
Germany |
|
| Vaca Muerta Formation |
Cretaceous, Jurassic |
Argentina |
|
| Vermillion River Formation |
Cretaceous |
Canada |
|
| Wallumbilla Formation[6][7] |
Cretaceous |
Australia |
|
| Waterloo Formation |
Jurassic |
United Kingdom |
|
| Weald Clay Group/Upper Weald Clay Formation |
Cretaceous |
United Kingdom |
|
| Wealden Group/Tunbridge Wells Sand Formation |
Cretaceous |
United Kingdom |
|
| Wealden Group/Vectis Formation |
Cretaceous |
United Kingdom |
|
| Whitby Mudstone Formation |
Jurassic |
United Kingdom |
|
| Wilczek Formation |
Triassic |
Russian Federation |
|
| Wilgunya Group/Toolebuc Formation |
Cretaceous |
Australia |
|
| Wilhelmøya Formation |
Triassic |
Norway |
|
| Xiashaximiao Formation |
Jurassic |
China |
|
| Ziliujing Formation |
Jurassic |
China |
|