FHSM IP-1264
Drepanocheilus evansi (Cossman, 1904)

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Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Drepanocheilus
Phylum
Mollusca
Species
evansi
Class
Gastropoda
Author
Cossman
Order
Year
1904
Family
Aporrhaidae
Collected by
Harksen, J.C.
Date Collected
1962
Identified By
Pettyjohn, W.
Date Identified
1962-05-15
Type
Number of Pieces
1
Description
Body; Shell,

Locality

Lithostratigraphy

Country
United States of America
State/Province
South Dakota
County
Meade
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Montana
Formation
Pierre
Member
Zone
Bed
Local Fauna

Chronostratigraphy

Biostratigraphy

Earliest Era
Mesozoic
Latest Era
Mesozoic
Earliest Period
Cretaceous
Latest Period
Cretaceous
Earliest Epoch
Latest Epoch
Earliest Age
Latest Age
Lowest Zone
Highest Zone