W. G. Bourne Tylosaurus: Turonian - Santonian, Kansas
collected by W. G. Bourne

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Tylosaurus dyspelor (Cope 1870)
nomen vanum belonging to Tylosaurus
see common names

Geography
Country:United States State/province:Kansas County:Scott
Coordinates: 38.5° North, 100.9° West (view map)
Paleocoordinates:40.3° North, 66.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
10 m.y. bin:Cretaceous 6
Key time interval:Turonian - Santonian
Age range of interval:93.90000 - 83.60000 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara
Stratigraphic resolution:bed
Stratigraphy comments: from "Kansas chalk" (presumably the Turonian to Santonian Niobrara Chalk)
Lithology and environment
Primary lithology: lithified chalk
Lithology description: "slabs" of "chalk"
Environment:marine indet.
Taphonomy
Modes of preservation:body,adpression
Size of fossils:macrofossils
Articulated whole bodies:some
Associated major elements:none
Disassociated major elements:none
Disassociated minor elements:none
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:AMNH
Collectors:W. G. Bourne
Metadata
Database number:85963
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:2009-01-22 19:33:37 Last modified:2011-06-15 17:29:18
Access level:the public Released:2009-01-22 19:33:37
Creative Commons license:CC BY
Reference information

Primary reference:
29027. H. F. Osborn. 1899. A complete mosasaur skeleton, osseous and cartilaginous. Memoirs of the American Museum of Natural History 1(4):165-188 [J. Alroy/J. Alroy/J. Alroy]