FHSM VP-14022
Ptychodus mammillaris (Agassiz, 1839)

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Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Ptychodus
Phylum
Chordata
Species
mammillaris
Class
Chondrichthyes
Author
Agassiz
Order
Year
1839
Family
Ptychodontidae
Collected by
Everhart, M.J.
Date Collected
1978-05-31
Identified By
Shimada, K.
Date Identified
2002-06-02
Type
Number of Pieces
1
Description
Skull; Isolated Teeth,

Locality

Lithostratigraphy

Country
United States of America
State/Province
Kansas
County
Ellis
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Colorado
Formation
Niobrara
Member
Fort Hays
Zone
Bed
Local Fauna
Yocemento

Chronostratigraphy

Biostratigraphy

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

Publications (1 of 1)

Everhart, M.J., Darnell, M.K.. 2004. Occurrence of Ptychodus mammilaris (Elasmobranchii) in the Fairport Chalk Member of the Carlile Shale (Upper Cretaceous) of Ellis County, Kansas. Transactions of the Kansas Academy of Science , 107:126-130