Judith River Formation

Judith River Formation

The Judith River Formation is a fossil-bearing geologic formation in northern Montana, and is part of the Judith River Group. It dates to the upper Cretaceous. It is an historically important formation, explored by early American paleontologists such as Edward Drinker Cope, who named several dinosaurs from scrappy remains found here on his 1876 expedition (such as "Monoclonius"). Modern work has found nearly complete skeletons of the hadrosaurid "Brachylophosaurus"

Life forms

Dinosaurs

Ornithischia (Ryan and Evans, 2005):Ceratopsia::Ceratopsidae:::*"Avaceratops lammersi":::Centrosaurinae (long nose horn, short brow horns, short spiky frill):::*"Albertaceratops nesmoi":::*"Monoclonius crassus":Ornithopoda::Hadrosauridae:::Hadrosaurinae:::*"Brachylophosaurus canadensis":::Lambeosaurinae:::*"?Lambeosaurus paucidens"

ee also

* List of dinosaur-bearing rock formations


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  • Judith River-Gruppe — Aufschlüsse der Dinosaurier Park Formation, der obersten Schicht der Judith River Gruppe, im Dinosaurier Provinzpark. Die Judith River Gruppe (eng. Judith River Group) ist eine Abfolge von Sedimentgesteinen der späten Kreidezeit (Campanium), die… …   Deutsch Wikipedia

  • Judith River Group — Aufschlüsse der Dinosaurier Park Formation, der obersten Schicht der Judith River Gruppe, im Dinosaurier Provinzpark. Die Judith River Gruppe (eng. Judith River Group) ist eine Abfolge von Sedimentgesteinen der späten Kreidezeit (Campanium), die… …   Deutsch Wikipedia

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  • Judith River Group — 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. The formation is named after the Judith River in Montana. The… …   Wikipedia

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  • Two Medicine Formation — The Two Medicine Formation is a geologic formation, or rock body, that was deposited between 83.5 ± 0.7 Ma to 70.6 ± 0.6 Ma (million years ago), during Campanian (Late Cretaceous) time, and is located in northwestern Montana. It crops out to the… …   Wikipedia

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