Western Interior Seaway
E1145388
UNEXPLORED
The Western Interior Seaway was a vast, shallow inland sea that split North America into two landmasses during the Late Cretaceous period, hosting rich marine ecosystems and extensive sediment deposition.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Western Interior Seaway canonical | 5 |
| Western Interior Seaway region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15239038 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Interior Seaway Context triple: [Pierre Shale, basin, Western Interior Seaway]
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A.
Great Lakes Basin
The Great Lakes Basin is the vast watershed region in North America that drains into and surrounds the five Great Lakes, encompassing parts of both the United States and Canada.
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B.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
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C.
Manning–Great Lakes
Manning–Great Lakes is a hydrologic region in New South Wales, Australia, encompassing coastal rivers, lakes, and catchments around the Manning River and Great Lakes area.
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D.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
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E.
Great Lakes–St. Lawrence system
The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Western Interior Seaway Target entity description: The Western Interior Seaway was a vast, shallow inland sea that split North America into two landmasses during the Late Cretaceous period, hosting rich marine ecosystems and extensive sediment deposition.
-
A.
Great Lakes Basin
The Great Lakes Basin is the vast watershed region in North America that drains into and surrounds the five Great Lakes, encompassing parts of both the United States and Canada.
-
B.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
-
C.
Manning–Great Lakes
Manning–Great Lakes is a hydrologic region in New South Wales, Australia, encompassing coastal rivers, lakes, and catchments around the Manning River and Great Lakes area.
-
D.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
-
E.
Great Lakes–St. Lawrence system
The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
- F. None of above. chosen
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Western Interior Seaway