Description
Name meaning: Good Mother Lizard
Length: 9 m (30 ft)
Weight: 4 tons
Popularity: 3 stars
Period: Late Cretaceous
Found: USA (Two-Medicine Formation in Montana), Canada (Oldman Formation in Alberta)
This herbivore got its name for taking good care of their young as the mother guarded the nest while the father foraged for food. As a member of the Hadrosaur family, it lacked defense ability and avoided predators.