FHSM VP-2222
Ptychodus rugosus (Dixon, 1850)

Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Ptychodus
Phylum
Chordata
Species
rugosus
Class
Chondrichthyes
Author
Dixon
Order
Year
1850
Family
Ptychodontidae
Collected by
Frye, L.C.
Date Collected
1950-11-11
Identified By
Stewart, J.D.
Date Identified
1988-08-18
Type
Number of Pieces
279
Description
teeth, Will be placed on shelf when numbered; D2

Locality

Lithostratigraphy

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

Chronostratigraphy

Biostratigraphy

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

Publications (3 of 4)

Everhart, M.J., Caggiano, T.. 2004. An associated dentition and calcified vertebral centra of the Late Cretaceous elasmobranch, Ptychodus anonymus Williston 1900. Paludicola, 4:125-136
Hamm, S.A., . 2010a. The late Cretaceous shark, Ptychodus rugosus, (Ptychodontidae) in the western Interior Sea. Transactions of the Kansas Academy of Science , 113:44-55
Hamm, S.A., . 2010b. The late Cretaceous shark, Ptychodus rugosus, (Ptychodontidae) in the western Interior Sea, USA. Journal of Paleontology, 84:538-548
Shimada, K., 2006. Annotated checklist of fossil fishes from the Smoky Hill Chalk of the Niobrara Chalk (Upper Cretaceous) in Kansas. , 35:193-213