FHSM VP-15139
Ptychodus anonymus (Williston, 1900)

Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Ptychodus
Phylum
Chordata
Species
anonymus
Class
Chondrichthyes
Author
Williston
Order
Year
1900
Family
Ptychodontidae
Collected by
Schumacher, B.A.
Date Collected
2002-03-06
Identified By
Shimada, K.
Date Identified
2003-08-20
Type
Number of Pieces
22
Description
Skull; Isolated Teeth, (22) Lm1 in matrix

Locality

Lithostratigraphy

Country
United States of America
State/Province
Colorado
County
Las Animas
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Colorado
Formation
Greenhorn
Member
Lincoln
Zone
Bed
Local Fauna
Tobe

Chronostratigraphy

Biostratigraphy

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

Publications (1 of 1)

Shimada, K., Schumacher, B.A., Parkin, J.A., & Palermo, J.M.. 2006. Fossil marine vertebrates from the lowermost Greenhorn Limestone (Upper Cretaceous: middle Cenomanian) in southeastern Colorado. Journal of Paleontology Memoir, 63:1-45