Mosasaurus
E792725
Mosasaurus is a large, prehistoric marine reptile often depicted in popular culture as a powerful apex predator of the oceans.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Mosasaurus canonical | 3 |
| Mosasaurus (Jurassic World) | 1 |
| Mosasaurus hoffmanni | 1 |
| Mosasaurus hoffmannii | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9341412 — 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: Mosasaurus Context triple: [Indominus rex, defeatedBy, Mosasaurus]
-
A.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
-
B.
Champsosaurus
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
-
C.
Dimetrodon
Dimetrodon is an extinct sail-backed synapsid from the Early Permian period, often mistaken for a dinosaur but more closely related to mammals.
-
D.
Saurophaganax maximus
Saurophaganax maximus is a large Late Jurassic theropod dinosaur, closely related to Allosaurus, known from fossil remains found in what is now Oklahoma.
-
E.
Futalognkosaurus
Futalognkosaurus is a gigantic Late Cretaceous titanosaurian sauropod dinosaur from Patagonia, known from exceptionally complete fossil remains that make it one of the best-understood giant dinosaurs.
- 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: Mosasaurus Target entity description: Mosasaurus is a large, prehistoric marine reptile often depicted in popular culture as a powerful apex predator of the oceans.
-
A.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
-
B.
Champsosaurus
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
-
C.
Dimetrodon
Dimetrodon is an extinct sail-backed synapsid from the Early Permian period, often mistaken for a dinosaur but more closely related to mammals.
-
D.
Saurophaganax maximus
Saurophaganax maximus is a large Late Jurassic theropod dinosaur, closely related to Allosaurus, known from fossil remains found in what is now Oklahoma.
-
E.
Futalognkosaurus
Futalognkosaurus is a gigantic Late Cretaceous titanosaurian sauropod dinosaur from Patagonia, known from exceptionally complete fossil remains that make it one of the best-understood giant dinosaurs.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
extinct marine reptile
ⓘ
genus ⓘ mosasaur ⓘ |
| appearsIn |
Jurassic World (film)
ⓘ
linked to:
Jurassic World
|
| ate |
ammonites
ⓘ
fish ⓘ marine reptiles ⓘ |
| bodyPlan | streamlined ⓘ |
| class | Reptilia ⓘ |
| closelyRelatedTo |
monitor lizards
ⓘ
snakes ⓘ |
| diet | carnivorous ⓘ |
| extinctionStatus | extinct ⓘ |
| extinctSince | end-Cretaceous mass extinction ⓘ |
| family | Mosasauridae ⓘ |
| fossilFoundIn |
Africa
ⓘ
Belgium ⓘ Europe ⓘ Morocco ⓘ Netherlands ⓘ North America ⓘ United States ⓘ
linked to:
United States of America
|
| geologicalPeriod | Late Cretaceous ⓘ |
| hasAnatomicalFeature |
conical teeth
ⓘ
elongated skull ⓘ paddle-like limbs ⓘ powerful tail fin ⓘ secondary palate ⓘ |
| isNot | dinosaur ⓘ |
| kingdom | Animalia ⓘ |
| livedDuringStage |
Campanian
ⓘ
Maastrichtian ⓘ |
| livedInEnvironment | marine ⓘ |
| movementType | aquatic locomotion ⓘ |
| namedBy |
James De Carle Sowerby
ⓘ
William Daniel Conybeare ⓘ |
| nameDerivedFrom |
Meuse River
ⓘ
linked to:
Meuse
|
| nameEtymology | "Meuse lizard" ⓘ |
| order | Squamata ⓘ |
| phylum | Chordata ⓘ |
| popularCultureDepiction | large marine predator ⓘ |
| reproduction | viviparous ⓘ |
| subfamily |
Mosasaurinae
ⓘ
linked to:
Mosasauridae
|
| taxonRank | genus ⓘ |
| trophicLevel | apex predator ⓘ |
| typeLocality |
Maastricht, Netherlands
ⓘ
linked to:
Maastricht
|
| typeSpecies |
Mosasaurus hoffmannii
ⓘ
linked to:
Mosasaurus
|
| yearDescribed | 1822 ⓘ |
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: Mosasaurus Description of subject: Mosasaurus is a large, prehistoric marine reptile often depicted in popular culture as a powerful apex predator of the oceans.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mosasaurus
subject linked to:
Maastricht Formation in the Netherlands
linked to: Mosasaurus
linked to: Mosasaurus