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CAS Fossil Collection Database

Filter: Genus=%Helisoma (Perrinilla)%;Species=%cordillerana%; Sort by:   Accession #   Taxon   Locality
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Accession Number 61973.03   Country USA
thumbnail of image of CAS-GEO 61973.03 Helisoma (Perrinilla) cordillerana LECTOTYPE side 1
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thumbnail of image of CAS-GEO 61973.03 Helisoma (Perrinilla) cordillerana LECTOTYPE side 2
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Taxon Helisoma (Perrinilla) cordillerana State/Prov./Dist. Nevada
InformalName gastropod County Mineral
Type Status LECTOTYPE Formation Esmeralda
Author / Date Hannibal, 1912 Age MIOCENE
Accession Number 61988.01   Country USA
Taxon Helisoma (Perrinilla) cordillerana State/Prov./Dist. Nevada
InformalName gastropod County Esmeralda
Type Status VOUCHER Formation Esmeralda
Author / Date Hannibal, 1912 Age MIOCENE
Accession Number 9829.00   Country USA
thumbnail of image of CAS-GEO 9829.00 Helisoma (Perrinilla) cordillerana PARATYPE
Taxon Helisoma (Perrinilla) cordillerana State/Prov./Dist. Nevada
InformalName gastropod County Mineral
Type Status PARATYPE Formation Esmeralda
Author / Date Hannibal, 1912 Age MIOCENE
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