Tethys Ocean
E201671
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Tethys Ocean canonical | 5 |
| Neotethys Ocean | 1 |
| Tethys Ocean extensive in low latitudes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1772735 — 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: Tethys Ocean Context triple: [Triassic, associatedWith, Tethys Ocean]
-
A.
Yoldia Sea
The Yoldia Sea was an early post-glacial brackish water stage of the Baltic basin that existed after the last Ice Age, named after the bivalve Yoldia arctica found in its sediments.
-
B.
Océan
Océan was a prominent French ship of the line that served as a flagship in major naval engagements during the age of sail.
-
C.
Nansen Basin
Nansen Basin is a deep oceanic basin in the central Arctic Ocean, notable for its great depths and role in Arctic water circulation and sediment deposition.
-
D.
Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
-
E.
Oceanus
Oceanus is a primordial Titan in Greek mythology who personifies the vast, encircling river believed to surround the world.
- 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: Tethys Ocean Target entity description: 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.
-
A.
Yoldia Sea
The Yoldia Sea was an early post-glacial brackish water stage of the Baltic basin that existed after the last Ice Age, named after the bivalve Yoldia arctica found in its sediments.
-
B.
Océan
Océan was a prominent French ship of the line that served as a flagship in major naval engagements during the age of sail.
-
C.
Nansen Basin
Nansen Basin is a deep oceanic basin in the central Arctic Ocean, notable for its great depths and role in Arctic water circulation and sediment deposition.
-
D.
Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
-
E.
Oceanus
Oceanus is a primordial Titan in Greek mythology who personifies the vast, encircling river believed to surround the world.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
ancient ocean
ⓘ
geological feature ⓘ paleo-ocean ⓘ |
| associatedWith |
Alpine orogeny
ⓘ
Himalayan orogeny ⓘ Zagros orogeny ⓘ |
| bordered |
northern margin of Gondwana
ⓘ
southern margin of Laurasia ⓘ |
| closedBy |
collision of Africa with Eurasia
ⓘ
collision of India with Eurasia ⓘ convergence of Arabian plate with Eurasia ⓘ |
| existedDuring |
Cretaceous
ⓘ
surface form:
Cretaceous period
Jurassic Period ⓘ
surface form:
Jurassic period
Mesozoic Era ⓘ
surface form:
Mesozoic era
Triassic ⓘ
surface form:
Triassic period
|
| followedBy |
Aral Sea
ⓘ
Black Sea ⓘ Caspian Sea ⓘ Indian Ocean margins ⓘ Mediterranean Sea ⓘ
surface form:
modern Mediterranean Sea
|
| fossilRecordIncludes |
ammonites
ⓘ
coral reefs ⓘ marine reptiles ⓘ rudist bivalves ⓘ |
| hadRemnant |
Paleo-Tethys Ocean
ⓘ
surface form:
Neo-Tethys Ocean
Paratethys Sea ⓘ |
| importantFor |
Mesozoic marine biodiversity
ⓘ
carbonate platform deposition ⓘ hydrocarbon source rock formation ⓘ reef development ⓘ |
| locatedBetween |
Gondwana
ⓘ
Laurasia ⓘ |
| namedAfter | Tethys ⓘ |
| namedBy | Eduard Suess ⓘ |
| partlyPreservedAs |
Aral Sea
ⓘ
Black Sea ⓘ Caspian Sea ⓘ Mediterranean Sea ⓘ |
| playedRoleIn |
Mesozoic plate tectonics
ⓘ
marine evolution ⓘ |
| precededBy | Paleo-Tethys Ocean ⓘ |
| relatedTo |
breakup of Pangaea
ⓘ
opening of the Atlantic Ocean ⓘ |
| stratigraphicEvidenceFoundIn |
Alps
ⓘ
Carpathian Mountains ⓘ
surface form:
Carpathians
Caucasus ⓘ Himalayas ⓘ Mediterranean region ⓘ Middle East ⓘ |
| subductedUnder |
Eurasian Plate
ⓘ
surface form:
Eurasian plate
|
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: Tethys Ocean Description of subject: 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.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tethys Ocean extensive in low latitudes
subject surface form:
Pangaea
this entity surface form:
Neotethys Ocean