WThe Ahbach Formation is a geologic formation in Germany. It preserves fossils dating back to the Middle Devonian period.
WThe Bear Rock Formation is a geologic formation in Northwest Territories. It preserves fossils dating back to the Devonian period.
WThe Beartooth Butte Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Devonian period.
WThe Cairn Formation is a geologic formation of Late Devonian (Frasnian) age in the Western Canada Sedimentary Basin. It was named for the Cairn River near its junction with the Southesk River in Jasper National Park by D.J. McLaren in 1955.
WThe Duvernay Formation is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
WThe Gauja Formation is a Middle Devonian fossil locality in Estonia and Latvia. It is named after the Gauja River, where it is exposed along the banks.
WThe Gogo Formation in the Kimberley region of Western Australia is a Lagerstätte that exhibits exceptional preservation of a Devonian reef community. The formation is named after Gogo Station, a cattle station where outcrops appear and fossils are often collected from, as is nearby Fossil Downs Station.
WThe Guilmette Formation is a geologic formation in Nevada. It preserves fossils dating back to the Devonian period.
WThe Palliser Formation is a stratigraphic unit of Late Devonian (Famennian) age in the Western Canada Sedimentary Basin. It is a thick sequence of limestone and dolomitic limestone that is present in the Canadian Rockies and foothills of western Alberta. Tall cliffs formed of the Palliser Formation can be seen throughout Banff and Jasper National Parks.
WThe Redknife Formation is a stratigraphical unit of Devonian age in the Western Canadian Sedimentary Basin.
WThe Skajit Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
WThe Yahatinda Formation is a geologic formation of Middle Devonian (Givetian) age in the southwestern part of the Western Canada Sedimentary Basin in the mountains of southwestern Alberta. Its type locality lies the on the eastern face of Wapiti Mountain above Ya-Ha-Tinda Ranch at the eastern edge of Banff National Park. The Yahatinda contains a variety of Devonian fossils.