Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation
Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation
Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation
Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation
Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation

Eumys (Mouse Ancestor) Partial Mammal Skull with Teeth, Brule Formation

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0.5" Eumys (mouse ancestor) partial skull from the Brule Formation of Custer County, South Dakota. 35-30 million years old.
Authentic, legally collected fossils for sale.