• Eumys (Mouse Ancestor) Mammal Jaw Section with Teeth, Brule Formation
  • Eumys (Mouse Ancestor) Mammal Jaw Section with Teeth, Brule Formation
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Eumys (Mouse Ancestor) Mammal Jaw Section with Teeth, Brule Formation

Eumys (Mouse Ancestor) Mammal Jaw Section with Teeth, Brule Formation

$19.25 USD
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0.52" Eumys (mouse ancestor) Jaw section from the Brule Formation of Custer County, South Dakota. 35-30 million years old.
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