Soske Ranch Locality: Early/Lower Campanian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Tselfatiiformes - Plethodidae
Teleostei indet. Müller 1846
    = Bananogmius evolutus
Martin and Bjork 1987
Reptilia - Mosasauridae
Tylosaurus proriger
1 individual
Platecarpus sp. Cope 1869
    = Clidastes sp. Cope 1868
Martin and Bjork 1987
Reptilia - Hesperornithiformes
Hesperornis sp. Marsh 1872
Chondrichthyes
Elasmobranchii indet. Bonaparte 1838
either Cretolamna or Lamna teeth
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
Martin and Bjork 1987
see common names

Geography
Country:United States State/province:South Dakota County:Fall River
Coordinates: 44.0° North, 103.3° West (view map)
Paleocoordinates:49.8° North, 71.0° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Early/Lower Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Pierre Shale Member:Gammon Ferruginous
Stratigraphic resolution:member
Stratigraphy comments: Early Campanian, specimen occurs eleven feet below the Ardmore Bentonite
Lithology and environment
Primary lithology:ferruginous "shale"
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body,trace
Size of fossils:macrofossils,mesofossils
Articulated whole bodies:some
Associated major elements:some
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:SDSM
Metadata
Also known as:V8120
Database number:39388
Authorizer:J. Alroy Enterer:E. Leckey
Modifier:M. Carrano Research group:marine invertebrate,vertebrate
Created:2004-05-27 13:30:27 Last modified:2015-04-08 11:09:02
Access level:the public Released:2004-05-27 13:30:27
Creative Commons license:CC BY
Reference information

Primary reference:

10631. P. R. Bjork. 1981. Food habits of mosasaurs from the Pierre Shale of South Dakota. Abstracts with Programs, Rocky Mountian Section, Geological Society of America 13(4):191 [J. Alroy/E. Leckey/E. Leckey]

Secondary references:

10635 J. E. Martin and P. R. Bjork. 1987. Gastric residues associated with a mosasaur from the Late Cretaceous (Campanian) Pierre Shale in South Dakota. Dakoterra 3:68-72 [J. Alroy/E. Leckey/E. Leckey]