Here we have a very cute baby humerus (arm bone) of a Hadrosaurus coming from the Late Cretaceous Period in what is now known as the Hell Creek Formation about 70 million to 66 million years ago. With a length just over 4" and knowing that a full grown specimen can reach over 10 m in length, this was really a just born baby.

Edmontosaurus sp.

Late Cretaceous(70 - 66 mil.y)

Hell Creek Formation, Jordan, Montana

107 mm - 4.2"

Very good