FHSM VP-19170
Ptychodus anonymus (Williston, 1900)

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Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Ptychodus
Phylum
Chordata
Species
anonymus
Class
Chondrichthyes
Author
Williston
Order
Year
1900
Family
Ptychodontidae
Collected by
Decker, R.
Date Collected
Identified By
Hamm, S.A.
Date Identified
2017-03-15
Type
Number of Pieces
60
Description
Skull; Teeth, associated (58); ; Vertebra, partial (2)

Locality

Lithostratigraphy

Country
United States of America
State/Province
Kansas
County
Mitchell
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Colorado
Formation
Greenhorn
Member
Hartland
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

Publications (1 of 1)

2019. First associated tooth set of Ptychodus anonymus (Elasmobranchii: Ptychodontidae) in North America from the Jetmore Chalk in Kansas. Transactions of the Kansas Academy of Science, 122:1-18