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

Second Detailed Image
Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Second Detailed Image
Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

Second Detailed Image
Fossilized Sphenodiscus from Fox Hills Formation, Pennington County, South Dakota

DESCRIPTION:No. 55291
Mineral:Fossilized Sphenodiscus
Locality:Fox Hills Formation, Pennington County, South Dakota
Description:Two circular brown sphenodiscus fossils to 25 mm in gray sedimentary matrix with many partial fossils scattered through the matrix.
Overall Size:6x6x4.5 cm
Crystals:11-25 mm fossils
Status: For reference only
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