Oldman Formation
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The Oldman Formation is a stratigraphic unit of Late Cretaceous age that underlies much of southern Alberta, Canada. It consists primarily of sandstones that were deposited in fluvial channel and floo
Dinosaurs of the Oldman Formation
Hesperonychus elizabethae
Saurornitholestes digging Burrows wahweap
Oldman Formation troodontid dentary
Dinosaur Park Formation
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The Dinosaur Park Formation is the uppermost member of the Belly River Group, a major geologic unit in southern Alberta. It was deposited during the Campanian stage of the Late Cretaceous, between abo
Dinosaur Park Formation exposed along the Red Deer River in Dinosaur Provincial Park, southeastern Alberta, Canada.
Collection of theriiform mammals known from the Dinosaur Park Formation: Mesodma primaeva (top left), Alphadon halleyi (top right), Gypsonictops lewisi (bottom left) and an indeterminate therian, interpreted here as an hypothetical early placental (bottom right)
Chasmosaurus BW
Mercuriceratops NT small