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Age: Late Jurassic
they are not true scorpions
for which he won the Academy Award for Best Actor for his portrayal of the title character
It is one of the best Ice Age discoveries of its type
Dimetrodon skull cast replica #1 woolly rhino Age: Late JurassicDimetrodon, pronounced (die MET roh don) which means ("two measures of teeth" so named because it had a large skull with two different types of teeth; shearing teeth and sharp canine teeth, unlike reptiles. Dentition showing this differentiation of teeth is called heterodonty). Dimetrodon has a large sail which was probably used to regulate body temperature; the surface area would allow it to warm up or cool off more efficiently. Dimetrodon was not a