LACM 5539 locality, Rooks County: Late Coniacian, Kansas
collected by J. D. Stewart 1966

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
LACMNH 127815 - paratype (complete skull, vertebrae and limb elements).
see common names

Geography
Country:United States State/province:Kansas County:Rooks
Coordinates: 39.2° North, 99.3° West (view map)
Paleocoordinates:45.2° North, 57.7° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Coniacian 10 m.y. bin: Cretaceous 6
Key time interval: Late Coniacian
Age range of interval: 89.8 - 85.7 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara Member:Smoky Hill Chalk
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: chalk
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Feeding/predation traces:tooth marks
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:LACM
Collectors:J. D. Stewart Collection dates:8 July 1966
Metadata
Also known as:Tylosaurus kansasensis paratype
Database number:118151
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:M. Carrano
Created:2011-10-06 22:05:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-10-06 22:05:00
Creative Commons license:CC0
Reference information

Primary reference:
38037. M. J. Everhart. 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences — Geologie en Mijnbouw 84(3):231-240 [P. Mannion/P. Mannion]