3 miles southwest of Castle Rock: Late/Upper Santonian - Early/Lower Campanian, Kansas

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Toxochelys latiremis Cope 1873
(1 measurement)
Reptilia - Squamata - Mosasauridae
Selmasaurus johnsoni n. sp. Polcyn and Everhart 2008
Polcyn and Everhart 2008
see common names

Country:United States State/province:Kansas County:Gove
Coordinates: 38.8° North, 100.2° West (view map)
Paleocoordinates:44.0° North, 69.4° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Period:Cretaceous Epoch:Late/Upper Cretaceous
*Period:Late/Upper Cretaceous
*International age/stage:Late/Upper Santonian - Early/Lower Campanian
Key time interval:Late/Upper Santonian - Early/Lower Campanian
Age range of interval:85.80000 - 70.60000 m.y. ago
* legacy (obsolete) database fields
Geological group:Colorado Formation:Niobrara
Stratigraphic resolution:bed
Stratigraphy comments: single specimen
Lithology and environment
Primary lithology: not reported
Lithology description: none given
Environment:marine indet.
Geology comments: no details given
Modes of preservation:body
Size of fossils:macrofossils
Articulated whole bodies:all
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: specimen found in ROM collection
Database number:25071
Authorizer:J. Alroy, M. Uhen Enterer:J. Alroy, M. Uhen
Modifier:M. Carrano Research group:vertebrate
Created:2002-08-27 13:51:42 Last modified:2011-06-15 17:19:19
Access level:the public Released:2002-08-27 13:51:42
Creative Commons license:CC BY
Reference information

Primary reference:

692. E. L. Nicholls. 1988. New material of Toxochelys latiremis Cope, and a revision of the genus Toxochelys (Testudines, Chelonioidea). Journal of Vertebrate Paleontology 8(2):181-187 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

28466 M. J. Polcyn and M. J. Everhart. 2008. Description and phylogenetic analysis of a new species of Selmasaurus (Mosasauridae: Plioplatecarpinae) from the Niobrara Chalk of Western Kansas. Proceedings of the second Mosasaur Meeting 13-28 [M. Uhen/M. Uhen]