Western Interior Seaway region
GPTKB entity
Statements (35)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:alsoKnownAs |
gptkb:Cretaceous_Seaway
North American Inland Sea |
| gptkbp:connects |
gptkb:Arctic_Ocean
gptkb:Gulf_of_Mexico |
| gptkbp:containsFossilsOf |
gptkb:Mancos_Shale
gptkb:Niobrara_Formation gptkb:Pierre_Shale gptkb:Bearpaw_Formation gptkb:Greenhorn_Limestone gptkb:Carlile_Shale |
| gptkbp:disappeared |
end of Cretaceous
|
| gptkbp:existedDuring |
gptkb:Cretaceous_period
|
| gptkbp:formedBy |
high sea levels
|
| gptkbp:homeTo |
gptkb:ammonites
gptkb:mosasaurs sharks marine reptiles plesiosaurs pterosaurs early birds dinosaurs (on landmasses) inoceramid clams |
| https://www.w3.org/2000/01/rdf-schema#label |
Western Interior Seaway region
|
| gptkbp:includedPresentDay |
gptkb:Canada
gptkb:Midwestern_United_States gptkb:Rocky_Mountains gptkb:Great_Plains |
| gptkbp:locatedIn |
gptkb:North_America
|
| gptkbp:maximumDepth |
up to 760 meters
|
| gptkbp:separates |
gptkb:Appalachia
gptkb:Laramidia |
| gptkbp:width |
up to 1000 km
|
| gptkbp:bfsParent |
gptkb:Hell_Creek
|
| gptkbp:bfsLayer |
7
|