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53 N. Macdonald
Mesa, AZ 85201
(One block north of Main Street in downtown Mesa.
Take US 60 or 202 to Country Club Drive, go to Main
Street, and proceed one-half mile east to
Macdonald) -
View
Map
Phone:
480-644-2230
E-mail |
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Dinosaur Mountain - Cenozoic Arizona
The Cenozoic Era, which began after the end of
the Mesozoic, the Age of Dinosaurs, about 65 million
years ago, is well represented in Arizona by many
rich and important fossil sites from a variety of
periods.
Glyptotherium
This armadillo-like creature is Glyptotherium.
Its first appearance in North America was in Arizona
and Texas during the Pliocene Period, about 2-3
million years ago. A distant relative of the sloth
and armadillo, Glyptotherium migrated to the
southwest from South America shortly after the
Panamanian land bridge first appeared.
Glyptotherium were strictly herbivorous (plant
eating) and lived in warm climates with no excessive
temperature extremes, and where there was extensive
lowland terrain, lush tropical or subtropical
vegetation and proximity to standing water.
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