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Orodromeus (Nobu Tamura)


Orodromeus (Greek for "mountain runner"); pronounced ORE-oh-DROME-ee-us


Woodlands of North America

Historical Period:

Late Cretaceous (75 million years ago)

Size and Weight:

About 8 feet long and 100 pounds



Distinguishing Characteristics:

Small size; bipedal posture

About Orodromeus:

One of the smallest ornithopods of the late Cretaceous period, Orodromeus was the subject of an understandable goof by paleontologists. When this plant-eater's remains were first discovered, in a fossilized nesting ground in Montana known as "Egg Mountain," their proximity to a clutch of eggs prompted the conclusion that those eggs belonged to Orodromeus. We now know that the eggs were really laid by a female Troodon, the inescapable conclusion being that Orodromeus was hunted by these equally sized, but much smarter, theropod dinosaurs!

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