South of Hardin : Campanian, Montana
collected by C. H. Rogers 1947

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Tylosaurus proriger (Cope 1869)
1 specimen
USNM 17909, skull
see common names

Geography
Country:United States State/province:Montana County:Big Horn
Coordinates: 45.6° North, 107.6° West (view map)
Paleocoordinates:52.2° North, 74.0° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Telegraph Creek
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Abundance in sediment:rare
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:survey of museum collection
Collection size:1 specimens
Reason for describing collection:general faunal/floral analysis
Museum repositories:USNM
Collectors:C. H. Rogers Collection dates:1947
Metadata
Database number:107709
Authorizer:M. Carrano Enterer:H. Street
Modifier:H. Street Research group:vertebrate
Created:2011-04-14 06:29:50 Last modified:2011-04-14 14:29:16
Access level:the public Released:2011-04-14 06:29:50
Creative Commons license:CC BY
Reference information

Primary reference:

35745.ETE D. A. Russell. 1964. The Skull of American Mosasaurs. 1-386 [M. Carrano/H. Street/P. Wagner]