Bilby's Ranch, Beaver Creek: Late/Upper Santonian, Kansas
collected by L. Sternberg

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Clidastes sternbergi n. sp. Wiman 1920
1 specimen
recombined as Eonatator sternbergii
UPI R 163 - type (a nearly complete skeleton) and USNM 3777 (incomplete skeleton)
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:86.30000 - 83.60000 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara Member:Smoky Hill Chalk
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: chalk
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Abundance in sediment:rare
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection size:1 specimens
Reason for describing collection:general faunal/floral analysis
Collectors:L. Sternberg
Metadata
Also known as:Eonatator sternbergii type locality
Database number:109698
Authorizer:M. Carrano Enterer:H. Street
Modifier:P. Mannion Research group:vertebrate
Created:2011-05-21 04:36:08 Last modified:2023-08-02 07:53:57
Access level:the public Released:2011-05-21 04:36:08
Creative Commons license:CC BY
Reference information

Primary reference:

36230.ETE D. A. Russell. 1967. Systematics and morphology of American mosasaurs (Reptilia, Sauria). Bulletin of the Peabody Museum of Natural History 23:1-252 [M. Carrano/H. Street/M. Carrano]

Secondary references:

46104 N. Bardet and X. Pereda Suberbiola. 2001. The basal mosasaurid Halisaurus sternbergii from the Late Cretaceous of Kansas (North America): a review of the Uppsala type specimen. Comptes Rendus Academie du Science Paris, Sciences de la Terre et des planetes 332:395-402 [P. Mannion/J. Tennant]
38016 N. Bardet, X. Pereda Suberbiola, M. Iarochene, B. Bouya, and M. Amaghaz. 2005. A new species of Halisaurus from the Late Cretaceous phosphates of Morocco, and the phylogenetical relationships of the Halisaurinae (Squamata: Mosasauridae). Zoological Journal of the Linnean Society 143:447-472 [P. Mannion/P. Mannion]