Megalosaurus
E364939
Megalosaurus is a large, carnivorous Jurassic dinosaur historically notable as one of the first dinosaurs to be scientifically described.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Megalosaurus canonical | 6 |
| Megalosaurus bucklandii | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3502251 — 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: Megalosaurus Context triple: [Theropoda, includes, Megalosaurus]
-
A.
Allosaurus
Allosaurus was a large, carnivorous theropod dinosaur of the Late Jurassic period, known as one of the top predators of its ecosystem in what is now North America.
-
B.
Ceratosaurus
Ceratosaurus was a medium-sized, horned theropod dinosaur known for its prominent nasal horn and blade-like teeth, which lived in what is now North America and Europe.
-
C.
Camarasaurus
Camarasaurus was a large, long-necked herbivorous sauropod dinosaur from the Late Jurassic period of North America.
-
D.
Iguanodon
Iguanodon was a large, herbivorous ornithopod dinosaur from the Early Cretaceous, best known for its beak-like mouth and distinctive thumb spikes likely used for defense.
-
E.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
- 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: Megalosaurus Target entity description: Megalosaurus is a large, carnivorous Jurassic dinosaur historically notable as one of the first dinosaurs to be scientifically described.
-
A.
Allosaurus
Allosaurus was a large, carnivorous theropod dinosaur of the Late Jurassic period, known as one of the top predators of its ecosystem in what is now North America.
-
B.
Ceratosaurus
Ceratosaurus was a medium-sized, horned theropod dinosaur known for its prominent nasal horn and blade-like teeth, which lived in what is now North America and Europe.
-
C.
Camarasaurus
Camarasaurus was a large, long-necked herbivorous sauropod dinosaur from the Late Jurassic period of North America.
-
D.
Iguanodon
Iguanodon was a large, herbivorous ornithopod dinosaur from the Early Cretaceous, best known for its beak-like mouth and distinctive thumb spikes likely used for defense.
-
E.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
carnivorous dinosaur
ⓘ
genus of dinosaurs ⓘ theropod dinosaur ⓘ |
| bodyPlan | large-headed bipedal theropod with powerful jaws ⓘ |
| clade |
Dinosauria
ⓘ
Megalosauroidea ⓘ Tetanurae ⓘ Theropoda ⓘ |
| class | Reptilia ⓘ |
| countryFossilsFound | United Kingdom ⓘ |
| describedInYear | 1824 ⓘ |
| diet | carnivorous ⓘ |
| era |
Mesozoic
ⓘ
linked to:
Mesozoic Era
|
| estimatedLength | 6–9 meters ⓘ |
| estimatedMass | 700–1500 kilograms ⓘ |
| extinctionStatus | extinct ⓘ |
| family |
Megalosauridae
ⓘ
linked to:
Megalosauroidea
|
| featuredIn |
Crystal Palace dinosaur sculptures
ⓘ
linked to:
Crystal Palace Dinosaurs
|
| formation |
Stonesfield Slate Formation
ⓘ
linked to:
Oxford Clay
|
| fossilDistribution | England ⓘ |
| fossilSite | Stonesfield Slate, Oxfordshire, England ⓘ |
| fossilTypeMaterial | partial lower jaw and postcranial remains ⓘ |
| geologicalPeriod | Middle Jurassic ⓘ |
| hasCommonName | Megalosaurus ⓘ |
| historicalMisconception | once reconstructed as a giant quadrupedal lizard ⓘ |
| historicalSignificance | first non-avian dinosaur genus to be scientifically described and named ⓘ |
| influenced | early conceptions of dinosaurs in Victorian science ⓘ |
| kingdom | Animalia ⓘ |
| knownFrom | fragmentary fossils ⓘ |
| livedDuringStage | Bathonian ⓘ |
| locomotion | bipedal ⓘ |
| namedAfter | Greek words megas and sauros ⓘ |
| namedBy | William Buckland ⓘ |
| nameMeaning | great lizard ⓘ |
| order | Saurischia ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
Afrovenator
ⓘ
Torvosaurus ⓘ |
| representedBy | life-size Victorian sculptures in Crystal Palace Park ⓘ |
| reproduction | oviparous ⓘ |
| respiration | air-breathing ⓘ |
| scientificImportance | key taxon in early dinosaur research and classification ⓘ |
| suborder | Theropoda ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | approximately 166 million years ago ⓘ |
| thermoregulation | likely homeothermic or mesothermic (inferred for theropods) ⓘ |
| trophicLevel | apex predator ⓘ |
| typeLocality |
Stonesfield, Oxfordshire, England
ⓘ
linked to:
Stonesfield
|
| typeSpecies |
Megalosaurus bucklandii
ⓘ
linked to:
Megalosaurus
|
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: Megalosaurus Description of subject: Megalosaurus is a large, carnivorous Jurassic dinosaur historically notable as one of the first dinosaurs to be scientifically described.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Megalosaurus
linked to: Megalosaurus
linked to: Megalosaurus