The WillistonFormation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period. Earth sciences portal Florida portal...
The Williston Basin is a large intracratonic sedimentary basin in eastern Montana, western North Dakota, South Dakota, southern Saskatchewan, and south-western...
of the subsurface of the Williston Basin, underlying parts of Montana, North Dakota, Saskatchewan and Manitoba. The formation was initially described by...
species name until Williston's work, and therefore had been a nomen nudum and could not beat out Pteranodon for naming priority. Williston accepted this conclusion...
The Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America, named for exposures...
direction of professional fossil collectors such as B. F. Mudge and S. W. Williston appointed by Marsh. The Niobrara Chalk has been continuously explored...
The Red River Formation is a stratigraphical unit of Late Ordovician age in the Williston Basin. It takes the name from the Red River of the North, and...
subsurface of the Williston Basin, the Three Forks is referred to as the Three Forks Formation, which lies between the Birdbear Formation below, and the...
The Gypsum Spring Formation is a stratigraphical unit of Middle Jurassic age in the Williston Basin. It takes the name from Gypsum Spring in Wyoming,...
D.B. Dowling in 1900. The Stony Mountain Formation is divided in the following sub-units: South (Williston Basin) Penitentiary Member: argillaceous dolomite...
stratigraphic unit of Early to Middle Devonian age in the Western Canada and Williston sedimentary basins. It underlies a large area that extends from the southern...
The Sentinel Butte Formation is a geologic formation of Paleocene age in the Williston Basin of western North Dakota. It preserves significant assemblages...
Peace River Country. The Pardonet Formation has its type locality at Pardonet Hill, on the south shore of the Williston Lake at 56°03′12″N 123°01′08″W...
present in the sub-surface throughout the Williston Basin. The Saskatchewan Group contains the following formations, from top to base: The Saskatchewan Group...
the Williston Basin and into a limited area of south-central Saskatchewan. The Big Snowy Group is unconformably overlain by the Tyler Formation in Montana...
Daniel J.; Hickey, Leo J. (October 2014). "Fort Union Formation Fossil Leaves (Paleocene, Williston Basin, North Dakota, USA) Indicate Evolutionary Relationships...
named by Samuel Wendell Williston in 1911 as a second species of Varanosaurus, Varanosaurus brevirostris. In 1914, Samuel W. Williston reassigned it to its...
the 1870s onwards. S.W. Williston and E.C. Case determined in 1913 that the beds later assigned to the El Cobre Canyon Formation contained the Pennsylvanian...
setting, indicated by the richly fossiliferous rocks of the Madison. In the Williston Basin, water was shallow enough for oolite shoals to develop; they later...
the north shore of Williston Lake, at 56°06′51″N 122°48′39″W / 56.11404°N 122.81095°W / 56.11404; -122.81095 (Baldonnel Formation). The upper unit of...
and at the top of the formation. In the central Williston basin, the base is marked by an anhydrite bed. The Stonewall Formation occurs at surface in the...
The Deadwood Formation is a geologic formation of the Williston Basin and Western Canada Sedimentary Basin. It is present in parts of North and South Dakota...
The Dakota is a sedimentary geologic unit name of formation and group rank in Midwestern North America. The Dakota units are generally composed of sandstones...
Ankylosaurus was merely a synonym of the genus Stegopelta, which Williston had named in 1905. Williston also stated that a skeletal reconstruction of the related...
localities, then around Sutherland, the Moordenaarskaroo north of Laingsburg, Williston, Fraserburg, Leeu-Gamka, Loxton, and Victoria West in the Western Cape...
Global Information
Florida
United States