FHSM VP-12059
Trinacromerum (Cragin, 1888)

Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Trinacromerum
Phylum
Chordata
Species
Class
Reptilia
Author
Cragin
Order
Plesiosauria
Year
1888
Family
Polycotylidae
Collected by
Schumacher, B.A.
Date Collected
1992-08-25
Identified By
Schumacher, B.A.
Date Identified
1992-10-17
Type
Number of Pieces
~100
Description
Pectoral Girdle; Scapula, ; Skeleton; Partial Skeleton, ; ; Limb,

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
Carlile
Member
Fairport
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
Turonian
Latest Age
Turonian
Lowest Zone
Highest Zone

Publications (3 of 6)

Everhart, M.J., . 2003a. First records of plesiosaur remains in the lower Smoky Hill Chalk Member (Upper Coniacian) of the Niobrara Formation in western Kansas. Transactions of the Kansas Academy of Science , 106:139-148
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
Liggett, G.A., Shimada, K., Bennett, S.C., & Schumacher, B.A.. 2005. Cenomanian (Late Cretaceous) reptiles from northwestern Russell County, Kansas. PaleoBios, 25:42995
Schumacher, B.A., Everhart, M.J.. 2005. A stratigraphic and taxonomic review of plesiosaurs from the old "Fort Benton Group" of Central Kansas: a new assessment of old records. Paludicola, 5:33-54
Schumacher, B.A., 2016. Polycotylus latipinnis Cope (Plesiosauria, Polycotylidae), a Nearly Complete Skeleton from the Niobrara Formation (Early Campanian) of Southwestern South Dakota. Journal of Vertebrate Paleontology, 36:e1031341
Shimada, K., 2006. Annotated checklist of fossil fishes from the Smoky Hill Chalk of the Niobrara Chalk (Upper Cretaceous) in Kansas. , 35:193-213