AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Dakota > Fossilized Sphenodiscus

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Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

 
Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

DESCRIPTION:No. 46705
Mineral:Fossilized Sphenodiscus
Locality:Fox Hills Formation, Pennington County, South Dakota
Description:Brown sphenodiscus fossil 23 mm across exposed in gray sedimentary matrix with the complex, convoluted suture lines visible on the surface.
Overall Size:7x3.5x3 cm
Crystals:
Archived: For reference only

 

 

 

 

 

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