Morden Bentonite Mine: Early/Lower Campanian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Plioplatecarpus nichollsae Cuthbertson et al. 2007
1 individual
recombined as Latoplatecarpus nichollsae
TMP 83.24.01, skull
see common names

Geography
Country:Canada State/province:Manitoba
Coordinates: 49.3° North, 98.2° West (view map)
Paleocoordinates:53.7° North, 63.1° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Early/Lower Campanian Ammonoid zone: Baculites obtusus
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Pierre Shale Member:Pembina
Stratigraphic resolution:bed
Stratigraphy comments: Radiometric age of 81 +/- 3 MA
Lithology and environment
Primary lithology:bentonitic,black lithified carbonaceous "shale"
Environment:marine indet.
Glacial or sequence phase:transgressive
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Fragmentation:frequent
Encrustation:frequent
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:TMP
Metadata
Database number:96685
Authorizer:M. Carrano Enterer:H. Street
Modifier:M. Carrano Research group:vertebrate
Created:2010-06-25 12:10:27 Last modified:2012-01-31 17:01:19
Access level:the public Released:2010-06-25 12:10:27
Creative Commons license:CC BY
Reference information

Primary reference:

32947. T. Komishi and M. W. Caldwell. 2009. New material of the mosasaur Plioplatecarpus nichollsae Cuthbertson et al., 2007, clarifies problematic features of the holotype specimen. Journal of Vertebrate Paleontology 29(2):417-436 [M. Carrano/H. Street/F. Aspromonte]