This is a list of fossiliferous stratigraphic units in the Northwest Territories, Canada.
Group or formation Period Notes Alexandra Formation Devonian Bad Cache Rapids Formation Ordovician Bad Cache Rapids Formation Ordovician Barlow Inlet Formation Silurian Bear Rock Formation Devonian Blue Fjord Formation Devonian Blueflower Formation Ediacaran Boas River Formation Ordovician Broken Skull Formation Ordovician Buchanan Lake Formation Paleogene Bug Creek Formation Jurassic Bug Creek Group/Almstrom Creek Formation Jurassic Bug Creek Group/Murray Ridge Formation Jurassic Cape Phillips Formation Silurian Christopher Formation Cretaceous Churchill River Formation Ordovician Deer Bay Formation Cretaceous Delorme Formation Devonian, Silurian Douro Formation Silurian Esbataottine Formation Ordovician Eureka Sound Group/Margaret Formation Paleogene Fort Simpson Formation Devonian Funeral Formation Devonian Hare Indian Formation Devonian Haughton Formation Neogene Hay River Formation Devonian Headless Formation Devonian Heiberg Formation Jurassic, Triassic Hiccles Cove Formation Jurassic Horn Plateau Formation Devonian Hume Formation Devonian Imperial Formation Devonian Ingta Formation Ediacaran, Cambrian Isachsen Formation Cretaceous Kakisa Formation Devonian Kee Scarp Formation Devonian Loon River Formation Cretaceous Manuel Creek Formation Jurassic Mason River Formation Cretaceous Mokka Fiord Formation Paleogene Mount Cap Formation Cambrian Mount Goodenough Formation Cretaceous Nahanni Formation Devonian Okse Bay Group/Norstrand Formation Devonian Pine Point Formation Devonian Ramparts Formation Devonian Rat River Formation Cretaceous Read Bay Formation Silurian Red Head Rapids Formation Ordovician Redknife Formation Devonian Ringnes Formation Jurassic Road River Formation Silurian, Ordovician, Cambrian Rockslide Formation Cambrian Sans Sault Formation Cretaceous Schei Point Formation Triassic Sekwi Formation Cambrian Sheepbed Formation Ediacaran Ship Point Formation Ordovician Slave Point Formation Devonian Smoking Hills Formation Cretaceous Sulphur Point Formation Devonian Summit Creek Formation Cretaceous Sunblood Formation Ordovician Sutherland River Formation Silurian Tathlina Formation Devonian Trold Fiord Formation Permian Twin Falls Formation Devonian Vendom Fiord Formation Devonian Vunta Formation Silurian, Ordovician Whittaker Formation Silurian, Ordovician Williams Island Formation Devonian Windermere Group/Twitya Formation Ediacaran
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