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
Gorgosaurus
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Gorgosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, between about 76.5 and 73 million years ago. Fossil remains have been f
Dinosaur Park Formation
…tyrannosaurid, also present in the Two Medicine Formation. D. wilsoni? Middle-Upper, ~76,5-75,8 Ma ago Several specimens A tyrannosaurine tyrannosaurid. Gorgosaurus G. libratus Lower-Middle, 76.5–75 Ma ago Numerous specimens, type specimen An albertosaurine tyrannosaurid whose fossils have been unearthed in the…
Drumheller 150
Type specimen of Gorgosaurus sternbergi (AMNH 5664), now recognized as a juvenile Gorgosaurus libratus
Specimen AMNH 5458
Specimen USNM 12814 (formerly AMNH 5428)