Pierre Formation
Encyclopedia
The Pierre Formation is a Mesozoic
geologic formation. Plesiosaur
remains are among the fossil
s that have been recovered from its strata.
Mesozoic
The Mesozoic era is an interval of geological time from about 250 million years ago to about 65 million years ago. It is often referred to as the age of reptiles because reptiles, namely dinosaurs, were the dominant terrestrial and marine vertebrates of the time...
geologic formation. Plesiosaur
Plesiosaur
Plesiosauroidea is an extinct clade of carnivorous plesiosaur marine reptiles. Plesiosauroids, are known from the Jurassic and Cretaceous Periods...
remains are among the fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
s that have been recovered from its strata.
See also
Pierre ShalePierre Shale
The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from North Dakota to New Mexico....
- Plesiosaur stratigraphic distribution