# List of fossiliferous stratigraphic units in Alberta

This is a list of fossiliferous stratigraphic units in Alberta, Canada.
| Group or formation | Period | Stage | Dominant lithology | Depositional environment |
| Alberta Group/Waipiabi Formation | Late Cretaceous | Cenomanian to Santonian | shale | marine |
| Alexo Formation | Late Devonian | Frasnian to Famennian | dolomitic limestone | marine |
| Bad Heart Formation | Late Cretaceous | Turonian | shale | marine |
| Banff Formation | Mississippian | Tournasian | limestone | marine |
| Battle Formation (Edmonton Group) | Late Cretaceous | Maastrichtian | mudstone | nonmarine |
| Bearpaw Formation (Edmonton Group) | Late Cretaceous Campanian | Campanian | shale | marine |
| Beaverfoot Formation | Ordovician to Silurian | Ashgillian to Llandoverian | dolomite | marine |
| Beaverhill Lake Group | Devonian | late Givetian to early Frasnian | limestone | marine |
| Beaverhill Lake Group/Slave Point Formation | Late Devonian | Frasnian | limestone | marine |
| Beaverhill Lake Group/Waterways Formation | Middle Devonian to Late Devonian | late Givetian to Frasnian | limestone, calcareous shale | marine |
| Belcourt Formation | Early Permian | Asselian to Sakmarian | dolomite, limestone | marine |
| Belle Fourche Formation (Colorado Group) | Cretaceous | Cenomanian | shale | marine |
| Belloy Formation | Permian | Artinskian to Roadian | dolomite, sandstone | marine |
| Belly River Formation (Judith River Formation) | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Belly River Group/Allison Formation | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Belly River Group/Dinosaur Park Formation | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Belly River Group/Foremost Formation | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Belly River Group/Oldman Formation | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Bison Creek Formation | Late Cambrian | | shale | marine |
| Blackstone Formation | Late Cretaceous | Cenomanian to Turonian | shale | marine |
| Blairmore Group/Luscar Group | Early Cretaceous | Aptian to Albian | sandstone, siltstone | nonmarine |
| Blood Reserve Formation | Late Cretaceous | Campanian | sandstone | nonmarine |
| Brazeau Formation | Late Cretaceous | Campanian to Maastrichtian | sandstone, siltstone | nonmarine |
| Burgess Shale Formation (Stephen Formation) | Middle Cambrian | | shale | marine |
| Cadomin Formation | Early Cretaceous | Barremian to Aptian | conglomerate, sandstone | nonmarine |
| Cairn Formation | Late Devonian | Frasnian | calcareous dolomite | marine |
| Cardium Formation (Colorado Group) | Late Cretaceous | Turonian to Coniacian | sandstone, siltstone | marine |
| Clearwater Formation (Mannville Group) | Early Cretaceous | Albian | shale | marine |
| Coalspur Formation | Late Cretaceous to Paleocene | Maastrichtian to Danian | sandstone, siltstone, coal | nonmarine |
| Colorado Group/Belle Fourche Formation | Cretaceous | Cenomanian | shale | marine |
| Colorado Group/Cardium Formation | Late Cretaceous | Turonian to Coniacian | sandstone, siltstone | marine |
| Colorado Group/Second White Speckled Shale | Late Cretaceous | Cenomanian to Turonian | shale | marine |
| Colorado Group/Westgate Formation | Late Cretaceous | Turonian | shale | marine |
| Cooking Lake Formation | Late Devonian | Frasnian | limestone | marine |
| Deadwood Formation | Middle to Late Cambrian | | sandstone | marine |
| Dessa Dawn Formation (obsolete) | Mississippian | | limestone | marine |
| Dinosaur Park Formation (Belly River Group) (Judith River Group) | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Dunvegan Formation | Late Cretaceous | Cenomanian | sandstone, siltstone | nonmarine |
| Duvernay Formation | Late Devonian | Frasnian | bituminous limestone, argillaceous limestone | marine |
| Edmonton Group | Late Cretaceous to early Paleocene | Campanian to Danian | sandstone, siltstone | nonmarine |
| Edmonton Group/Battle Formation | Late Cretaceous | Maastrichtian | mudstone | nonmarine |
| Edmonton Group/Horseshoe Canyon Formation | Late Cretaceous | Campanian to early Maastrichtian | sandstone, siltstone, coal | nonmarine |
| Edmonton Group/Scollard Formation | Late Cretaceous to early Paleocene | Maastrichtian to Danian | sandstone, siltstone, coal | nonmarine |
| Edmonton Group/Whitemud Formation | Late Cretaceous | Maastrichtian | sandstone, siltstone, claystone | nonmarine |
| Etherington Formation | Mississippian | Serpukhovian | dolomitic limestone | marine |
| Exshaw Formation | Late Devonian to Early Mississippian | late Famennian to middle Tournasian | shale | marine |
| Fairholme Group | Late Devonian | Frasnian | dolomite | marine |
| Fairholme Group/Mount Hawk Formation | Devonian | Frasnian | dolomite | marine |
| Fernie Formation | Jurassic | Hettangian to middle Tithonian | shale, siltstone | marine |
| Flume Formation | Late Devonian | Frasnian | dolomite | marine |
| Foremost Formation (Belly River Group) | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Fort St. John Group | Cretaceous | Albian to Cenomanian | sandstone, siltstone, shale | nonmarine and marine |
| Fort St. John Group/Shaftesbury Formation | Cretaceous | Albian to Cenomanian | shale | marine |
| Gates Formation | Early Cretaceous | Albian | sandstone, siltstone, coal | nonmarine |
| Ghost River Formation (obsolete) | Cambrian to Middle Devonian | | | |
| Gog Group | Early Cambrian | | quartzose sandstone, conglomerate | |
| Grand Rapids Formation (Mannville Group) | Early Cretaceous | Albian | sandstone, siltstone | nonmarine |
| Hasler Formation | Early Cretaceous | Albian | shale | marine |
| Horseshoe Canyon Formation (Edmonton Group) | Late Cretaceous | Campanian to early Maastrichtian | sandstone, siltstone, coal | nonmarine |
| Ireton Formation | Late Devonian | Frasnian | shale | marine |
| Judith River Formation (Belly River Formation) | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Judith River Group/Dinosaur Park Formation | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Kananaskis Formation | Late Carboniferous | Late Pennsylvanian | limestone, dolomite, chert | marine |
| Kaskapau Formation | Late Cretaceous | Cenomanian to Turonian | shale | marine |
| Lea Park Formation | Late Cretaceous | Campanian | shale | marine |
| Leduc Formation | Late Devonian | Frasnian | dolomite | marine |
| Livingstone Formation (Rundle Group) | Mississippian | Tournasian to Visean | dolomitic limestone | marine |
| Loon River Formation (obsolete) | Early Cretaceous | Albian | shale | marine |
| Lyell Formation | Late Cambrian | Dresbachian | limestone, dolomite | marine |
| Mannville Group | Early Cretaceous | Barremian to Albian | sandstone, siltstone, shale | nonmarine and marine |
| Mannville Group/Clearwater Formation | Early Cretaceous | Albian | shale | marine |
| Mannville Group/Grand Rapids Formation | Early Cretaceous | Albian | sandstone, siltstone | nonmarine |
| Mannville Group/McMurray Formation | Early Cretaceous | late Barremian to Aptian | sandstone, siltstone | nonmarine, marginal marine |
| McMurray Formation (Mannville Group) | Early Cretaceous | late Barremian to Aptian | sandstone, siltstone | nonmarine, marginal marine |
| Mikkwa Formation | Middle Devonian | Givetian | dolomitic limestone | marine |
| Milk River Formation | Late Cretaceous | Santonian to Campanian | sandstone, siltstone | nonmarine |
| Mistaya Formation | Late Cambrian | | limestone | marine |
| Montney Formation | Early Triassic | Olenekian | siltstone, shale | marine |
| Mount Hawk Formation (Fairholme Group) | Late Devonian | Frasnian to Famennian | dolomite, limestone | marine |
| Mount Head Formation (Rundle Group) | Mississippian | Visean | dolomitic limestone | marine |
| Mowitch Formation | Permian | Guadalupian | sandstone, calcareous sandstone | marine |
| Mural Formation | Early Cambrian | | limestone, dolomite | marine |
| Nikanassin Formation | Late Jurassic to Early Cretaceous | Portlandian to Barremian | sandstone, siltstone | nonmarine |
| Nisku Formation | Late Devonian | Frasnian | dolomite | marine |
| Nordegg Formation (Fernie Group) | Jurassic | | limestone | marine |
| Norquay Formation (obsolete) | Permian | | | |
| Oldman Formation (Belly River Group) | Late Cretaceous | Campanian | sandstone, siltstone | nonmarine |
| Outram Formation | Early Ordovician | | limestone, shale | marine |
| Pakowki Formation | Late Cretaceous | Campanian | shale, siltstone | marine |
| Palliser Formation | Late Devonian | Famennian | limestone | marine |
| Paskapoo Formation | late Paleocene | Thanetian | sandstone, siltstone | nonmarine |
| Peace River Formation | Early Cretaceous | Albian | sandstone, siltstone, shale | marine and nonmarine |
| Peechee Formation | late Devonian | Frasnian | dolomite, calcareous dolomite | marine |
| Perdrix Formation | Late Devonian | Frasnian | calcareous shale | marine |
| Porcupine Hills Formation | late Paleocene | Danian | sandstone, siltstone, shale | nonmarine |
| Puskwaskau Formation | Late Cretaceous | Santonian to Campanian | shale | marine |
| Ranger Canyon Formation | Permian | Guadalupian to Lopingian | sandstone, dolomite | marine |
| Rocky Mountain Group | Permian | | dolomite, sandstone | marine |
| Rundle Group/Etherington Formation | Mississippian | Serpukhovian | dolomitic limestone | marine |
| Rundle Group/Livingstone Formation | Mississippian | Tournasian to Visean | dolomitic limestone | marine |
| Rundle Group/Mount Head Formation | Mississippian | Visean | dolomitic limestone | marine |
| Rundle Group/Tunnel Mountain Formation | Mississippian | | sandstone, dolomitic sandstone | marine |
| Scollard Formation (Edmonton Group) | Late Cretaceous to early Paleocene | Maastrichtian to Danian | sandstone, siltstone, coal | nonmarine |
| Second White Speckled Shale (Colorado Group) | Late Cretaceous | Cenomanian to Turonian | shale | marine |
| Shaftesbury Formation | Cretaceous | Albian to Cenomanian | shale | marine |
| Simla Formation | Late Devonian | Frasnian | siltstone, dolomitic limestone | marine |
| Skoki Formation | Middle Ordovician | | dolomite | marine |
| Slave Point Formation (Beaverhill Lake Group) | Middle Devonian | Givetian | limestone | marine |
| Smoky Group/Bad Heart Formation | Late Cretaceous | Turonian | shale | marine |
| Smoky Group/Kaskapau Formation | Late Cretaceous | Cenomanian to Turonian | shale | marine |
| Southesk Formation | Late Devonian | Frasnian | dolomite | marine |
| Spray River Formation | Triassic | | siltstone, shale, dolomite | marine and nonmarine |
| St. Mary River Formation | Late Cretaceous | Campanian to Maastrichtian | sandstone, siltstone | nonmarine |
| Stephen Formation | Middle Cambrian | | shale | marine |
| Sulphur Mountain Formation | Triassic | | siltstone, dolomite, shale | marine |
| Survey Peak Formation | Late Cambrian to Early Ordovician | | calcareous shale, limestone | marine |
| Swan Hills Formation | Middle Devonian | late Givetian | limestone | marine |
| Tunnel Mountain Formation (Rundle Group) | Mississippian | | sandstone, dolomitic sandstone | marine |
| Two Medicine Formation | Late Cretaceous | Campanian | claystone, sandstone | nonmarine |
| Wabamun Formation | Late Devonian | Famennian | limestone, dolomite | marine |
| Wapiabi Formation | Late Cretaceous | Coniacian to Campanian | shale, siltstone | marine |
| Wapiti Formation | Late Cretaceous | Campanian to Maastrichtian | sandstone, siltstone | nonmarine |
| Waterways Formation (Beaverhill Lake Group) | Middle Devonian to Late Devonian | late Givetian to Frasnian | limestone, calcareous shale | marine |
| Westgate Formation (Colorado Group) | Late Cretaceous | Turonian | shale | marine |
| Whitemud Formation (Edmonton Group) | Late Cretaceous | Maastrichtian | sandstone, claystone | nonmarine |
| Willow Creek Formation | Late Cretaceous | Maastrichtian to Paleocene | sandstone, siltstone | nonmarine |
| Woodbend Group/Duvernay Formation | Late Devonian | Frasnian | bituminous limestone, argillaceous limestone | marine |
| Woodbend Group/Leduc Formation | Late Devonian | Frasnian | dolomite | marine |
| Yahatinda Formation | Middle Devonian | Givetian | dolomitic sandstone, conglomerate, mudstone | nonmarine and marine |