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Dimetrodon, Prehistoric Forest

Dimetrodon, Prehistoric Forest Irish Hills Michigan
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Stock #: 265967
Type: Postcard
Era: Chrome
City: Irish Hills
State: Michigan (MI)
Publisher: Upper Michigan Card Co
Size: 3.5" x 5.5" (9 x 14 cm)

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Additional Details:
One of the oldest of the dinosaurs is Dimetrodon. He lived during the PErmian Period over 2 hundred million years ago. His large dorsal fin was a protrusion of his vertabrae. The membrane between these protrusions was a temperature control. He was not a fully developed land animal and depended on the water for his source of food and his protection especially from the sun. US 12