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CAS Fossil Collection Database

Accession Number 61888.01   Country USA
thumbnail of image of CAS-GEO 61888.01 Acanthina perrini HOLOTYPE dorsal
dorsal
thumbnail of image of CAS-GEO 61888.01 Acanthina perrini HOLOTYPE ventral
ventral
Taxon Acanthina perrini State/Prov./Dist. California
InformalName gastropod County Alameda
Type Status HOLOTYPE Formation Briones?
Author / Date Trask, 1922 Age MIOCENE