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CAS Fossil Collection Database

Accession Number 61783.01   Country USA
thumbnail of image of CAS-GEO 61783.01 Sphaerium stewartensis PARATYPE exterior
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thumbnail of image of CAS-GEO 61783.01 Sphaerium stewartensis PARATYPE interior
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Taxon Sphaerium stewartensis State/Prov./Dist. Nevada
InformalName bivalve County Mineral
Type Status PARATYPE Formation Esmeralda
Author / Date Firby, 1966 Age MIOCENE