FHSM VP-17628
Pseudomegachasma comanchensis (Shimada, 2007)

Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Pseudomegachasma
Phylum
Chordata
Species
comanchensis
Class
Chondrichthyes
Author
Shimada
Order
Lamniformes
Year
2007
Family
Odontaspididae
Collected by
Gallardo, C. et al.
Date Collected
Identified By
Shimada, K.
Date Identified
2015-09-21
Type
Number of Pieces
1
Description
Skull; Isolated Teeth, (1)

Locality

Lithostratigraphy

Country
United States of America
State/Province
Colorado
County
Baca
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Colorado
Formation
Greenhorn
Member
Lincoln
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
Cenomanian
Latest Age
Cenomanian
Lowest Zone
Highest Zone

Publications (2 of 2)

Gallardo, C., Shimada, K., Schumacher, B.A. 2012. A new Late Cretaceous marine vertebrate assemblage from the basal Lincoln Limestone Member of the Greenhorn Limestone in southeastern Colorado. Transactions of the Kansas Academy of Science, 115:107-116
Shimada, K., Popov, E.V., Siverson, M., Welton, B.J., & Long, D.J.. 2015. A new clade of putative plankton-feeding sharks from the Upper Cretaceous of Russia and the United States. Journal of Vertebrate Paleontology, 35:e981335