Allosaurus
E278741
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Allosaurus canonical | 20 |
| Allosaurus fragilis | 6 |
| Allosaurus europaeus | 2 |
| Allosaurus jimmadseni | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2509911 — 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: Allosaurus Context triple: [Morrison Formation, containsFossilTaxon, Allosaurus]
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
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.
-
C.
Diplodocus
Diplodocus is a long-necked, whip-tailed sauropod dinosaur from the Late Jurassic period of North America, known for its great size and distinctive skeletal proportions.
-
D.
Apatosaurus
Apatosaurus is a large, long-necked sauropod dinosaur from the Late Jurassic of North America, known for its massive body, long tail, and historically confused taxonomy with Brontosaurus.
-
E.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator 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: Allosaurus Target entity description: 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.
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
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.
-
C.
Diplodocus
Diplodocus is a long-necked, whip-tailed sauropod dinosaur from the Late Jurassic period of North America, known for its great size and distinctive skeletal proportions.
-
D.
Apatosaurus
Apatosaurus is a large, long-necked sauropod dinosaur from the Late Jurassic of North America, known for its massive body, long tail, and historically confused taxonomy with Brontosaurus.
-
E.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
allosauroid
ⓘ
genus ⓘ theropod dinosaur ⓘ |
| approximateLength | 8.5 meters ⓘ |
| approximateMass | 1500 kilograms ⓘ |
| bodyPlan | large-headed theropod with long tail ⓘ |
| clade | Dinosauria ⓘ |
| coexistedWith |
Apatosaurus
ⓘ
Camarasaurus ⓘ Diplodocus ⓘ Stegosaurus ⓘ |
| countryFossilsFound |
Portugal
ⓘ
United States of America ⓘ
surface form:
United States
|
| diet | carnivorous ⓘ |
| distinctiveFeature |
relatively short, deep skull
ⓘ
short horns in front of the eyes ⓘ three-fingered hands with large claws ⓘ |
| family | Allosauridae ⓘ |
| fossilSite |
Cleveland-Lloyd Dinosaur Quarry
ⓘ
Colorado ⓘ
surface form:
Colorado, United States
Como Bluff ⓘ Dry Mesa Quarry ⓘ Garden Park, Colorado ⓘ Morrison Formation ⓘ Portugal ⓘ Utah ⓘ
surface form:
Utah, United States
Wyoming ⓘ
surface form:
Wyoming, United States
|
| geologicalAge |
Kimmeridgian stage
ⓘ
surface form:
Kimmeridgian
Tithonian ⓘ |
| kingdom | Animalia ⓘ |
| livedIn | North America ⓘ |
| locomotion | bipedal ⓘ |
| maximumEstimatedLength | 10 meters ⓘ |
| meaningOfName | different lizard ⓘ |
| namedBy | Othniel Charles Marsh ⓘ |
| order | Saurischia ⓘ |
| phylum | Chordata ⓘ |
| popularCulture |
featured in many dinosaur documentaries
ⓘ
frequently displayed in natural history museums ⓘ |
| preyedOn |
large sauropod dinosaurs
ⓘ
stegosaurian dinosaurs ⓘ |
| reproduction | oviparous ⓘ |
| suborder | Theropoda ⓘ |
| taxonRank | genus ⓘ |
| theropodClade | Carnosauria ⓘ |
| timePeriod | Late Jurassic ⓘ |
| trophicLevel | apex predator ⓘ |
| typeSpecies |
Allosaurus
self-linksurface differs
ⓘ
surface form:
Allosaurus fragilis
|
| yearDescribed | 1877 ⓘ |
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: Allosaurus Description of subject: 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.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Allosaurus fragilis
this entity surface form:
Allosaurus europaeus
this entity surface form:
Allosaurus jimmadseni
this entity surface form:
Allosaurus fragilis
this entity surface form:
Allosaurus fragilis
this entity surface form:
Allosaurus fragilis
this entity surface form:
Allosaurus europaeus
this entity surface form:
Allosaurus jimmadseni
this entity surface form:
Allosaurus fragilis
this entity surface form:
Allosaurus fragilis