Panthalassa Ocean
E736538
The Panthalassa Ocean was the vast global ocean that existed during the time of the supercontinent Pangaea, covering most of Earth's surface.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Panthalassa Ocean canonical | 4 |
| Panthalassic Ocean | 2 |
| Panthalassa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8468544 — 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: Panthalassa Ocean Context triple: [Pangaea, surroundedBy, Panthalassa Ocean]
-
A.
Iapetus Ocean
The Iapetus Ocean was an ancient Paleozoic ocean that once separated the paleocontinents of Laurentia, Baltica, and Avalonia before closing during the formation of the supercontinent Pangaea.
-
B.
Tethys Ocean
The Tethys Ocean was a vast ancient ocean that existed between the supercontinents of Gondwana and Laurasia, playing a key role in Mesozoic plate tectonics and marine evolution.
-
C.
Rheic Ocean
The Rheic Ocean was a Paleozoic-age ocean that once separated the ancient continents of Gondwana from Laurussia before closing during the assembly of the supercontinent Pangaea.
-
D.
Pan-African Ocean
The Pan-African Ocean was a vast ancient ocean that surrounded the supercontinent Pannotia during the late Precambrian era.
-
E.
World Ocean
The World Ocean is the interconnected system of Earth's major oceanic divisions that together form a single, continuous body of saltwater covering most of the planet's surface.
- 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: Panthalassa Ocean Target entity description: The Panthalassa Ocean was the vast global ocean that existed during the time of the supercontinent Pangaea, covering most of Earth's surface.
-
A.
Iapetus Ocean
The Iapetus Ocean was an ancient Paleozoic ocean that once separated the paleocontinents of Laurentia, Baltica, and Avalonia before closing during the formation of the supercontinent Pangaea.
-
B.
Tethys Ocean
The Tethys Ocean was a vast ancient ocean that existed between the supercontinents of Gondwana and Laurasia, playing a key role in Mesozoic plate tectonics and marine evolution.
-
C.
Rheic Ocean
The Rheic Ocean was a Paleozoic-age ocean that once separated the ancient continents of Gondwana from Laurussia before closing during the assembly of the supercontinent Pangaea.
-
D.
Pan-African Ocean
The Pan-African Ocean was a vast ancient ocean that surrounded the supercontinent Pannotia during the late Precambrian era.
-
E.
World Ocean
The World Ocean is the interconnected system of Earth's major oceanic divisions that together form a single, continuous body of saltwater covering most of the planet's surface.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
ancient ocean
ⓘ
geological feature ⓘ paleo-ocean ⓘ |
| alsoKnownAs |
Panthalassa
ⓘ
linked to:
Panthalassa Ocean
Panthalassic Ocean ⓘ
linked to:
Panthalassa Ocean
|
| boundedBy | Pangaea continental margins ⓘ |
| brokeUpDueTo | fragmentation of Pangaea ⓘ |
| covered | most of Earth’s surface ⓘ |
| disappearedBy |
Jurassic period
ⓘ
linked to:
Jurassic Period
|
| etymologyLanguage | Greek ⓘ |
| etymologyMeaning | all sea ⓘ |
| existedDuring |
early Mesozoic era
ⓘ
late Paleozoic era ⓘ |
| formedBy | assembly of the supercontinent Pangaea ⓘ |
| fragmentationProduced |
Indian Ocean basins
ⓘ
Tethys Ocean-related basins ⓘ early Atlantic Ocean basins ⓘ |
| hadMidOceanRidges | true ⓘ |
| hadOceanicCrustAgeRange | mainly late Paleozoic to early Mesozoic ⓘ |
| hadRoleIn |
global climate regulation in Paleozoic and early Mesozoic
ⓘ
marine biodiversity distribution around Pangaea ⓘ |
| hadSubductionZones | true ⓘ |
| isImportantForUnderstanding |
evolution of the Pacific basin
ⓘ
supercontinent cycles ⓘ |
| isReferencedIn |
Mesozoic plate-tectonic models
ⓘ
Pangaea paleogeographic maps ⓘ |
| predecessorOf | Pacific Ocean ⓘ |
| reconstructedUsing |
mantle tomography
ⓘ
paleomagnetic data ⓘ plate reconstructions ⓘ |
| remnantInModernGeography | Pacific Ocean ⓘ |
| studiedInDiscipline |
paleoceanography
ⓘ
paleogeography ⓘ plate tectonics ⓘ |
| surrounded |
Pangaea
ⓘ
linked to:
supercontinent Pangaea
|
| wasDominantOceanDuring | time of Pangaea ⓘ |
| wasGlobalOcean | true ⓘ |
| wasLargerThan | any modern ocean ⓘ |
| wasOppositeSideOfEarthFrom | Pangaea interior ⓘ |
| wasSiteOf |
extensive plate subduction
ⓘ
large-scale mantle convection ⓘ oceanic crust recycling ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Panthalassa Ocean Description of subject: The Panthalassa Ocean was the vast global ocean that existed during the time of the supercontinent Pangaea, covering most of Earth's surface.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
supercontinent Pangaea
linked to: Panthalassa Ocean
linked to: Panthalassa Ocean
subject linked to:
Middle Tr.
linked to: Panthalassa Ocean