Judith River Group

Template:Short description The Judith River Group is a group of geologic formations in western North America dating from the late Cretaceous and noted as a site for the extensive excavation of dinosaur fossils.<ref>Template:Cite journal</ref> The formation is named after the Judith River in Montana. The group is also called the Judith River Wedge.<ref>Template:Cite journal</ref> It is stratigraphically equivalent with the Belly River Group in Alberta.<ref>Template:Cite journal</ref><ref>Template:Cite journal</ref>

It comprises the Judith River Formation in north central Montana, as well as the Foremost, Oldman, and Dinosaur Park formations in Alberta and Saskatchewan in Canada.<ref>Template:Cite journal</ref> The wedge is exposed discontinuously in river drainages.

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