LACM 128319: Late/Upper Santonian, Kansas
collected by M. C. Bonner

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Platecarpus tympaniticus Cope 1869
LACM 128319 (near complete skeleton, including soft tissue)
see common names

Geography
Country:United States State/province:Kansas County:Logan
Coordinates: 38.8° North, 100.9° West (view map)
Paleocoordinates:42.1° North, 67.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Santonian 10 m.y. bin:Cretaceous 6
Key time interval:Late/Upper Santonian
Age range of interval:85.80000 - 83.50000 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara Member:Smoky Hill Chalk
Stratigraphic resolution:bed
Stratigraphy comments: Smoky Hill Chalk Member of the Niobrara Chalk Formation
Lithology and environment
Primary lithology: chalk
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taphonomic analysis
Collectors:M. C. Bonner
Collection method comments: Accessioned to the museum in April 1969
Metadata
Database number:118338
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion
Created:2011-10-12 22:50:07 Last modified:2023-08-02 07:55:32
Access level:the public Released:2011-10-12 22:50:07
Creative Commons license:CC BY
Reference information

Primary reference:

38119. J. Lindgren, M. W. Caldwell, T. Konishi and L. M. Chiappe. 2010. Convergent evolution in aquatic tetrapods: insights from an exceptional fossil mosasaur. PLoS One 5(8):e11998 [P. Mannion/P. Mannion]

Secondary references:

45082 T. Konishi, J. Lindgren, M. W. Caldwell and L. Chiappe. 2012. Platecarpus tympaniticus (Squamata: Mosasauridae): osteology of an exceptionally preserved specimen and its insights into the acquisition of a streamlined body shape in mosasaurs. Journal of Vertebrate Paleontology 32(6):1313-1327 [P. Mannion/J. Tennant]