Dilophosaurus
E268555
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dilophosaurus canonical | 7 |
| Dilophosaurus wetherilli | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2461673 — 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: Dilophosaurus Context triple: [Jurassic Park, notableSpecies, Dilophosaurus]
-
A.
Velociraptor
Velociraptor is a small, fast, and intelligent theropod dinosaur popularly depicted as a cunning pack hunter in books and films like the Jurassic Park franchise.
-
B.
Juramaia
Juramaia is an early mammal from the Late Jurassic period that represents one of the oldest known members of the eutherian (placental mammal) lineage.
-
C.
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.
-
D.
Poebrotherium
Poebrotherium is an extinct early camelid genus from the Eocene and Oligocene of North America, known for its small, deer-like body and significance in camel evolution.
-
E.
Tyrannosaurus
Tyrannosaurus is a genus of large carnivorous theropod dinosaurs from the Late Cretaceous, best known for the iconic species Tyrannosaurus rex.
- 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: Dilophosaurus Target entity description: Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
A.
Velociraptor
Velociraptor is a small, fast, and intelligent theropod dinosaur popularly depicted as a cunning pack hunter in books and films like the Jurassic Park franchise.
-
B.
Juramaia
Juramaia is an early mammal from the Late Jurassic period that represents one of the oldest known members of the eutherian (placental mammal) lineage.
-
C.
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.
-
D.
Poebrotherium
Poebrotherium is an extinct early camelid genus from the Eocene and Oligocene of North America, known for its small, deer-like body and significance in camel evolution.
-
E.
Tyrannosaurus
Tyrannosaurus is a genus of large carnivorous theropod dinosaurs from the Late Cretaceous, best known for the iconic species Tyrannosaurus rex.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
prehistoric animal
ⓘ
theropod dinosaur ⓘ |
| clade | Dinosauria ⓘ |
| coexistedWith |
crocodylomorphs
ⓘ
early mammals ⓘ early ornithischian dinosaurs ⓘ early sauropodomorph dinosaurs ⓘ |
| describedBy | Samuel Paul Welles ⓘ |
| diet | carnivorous ⓘ |
| ecologicalRole | large predator ⓘ |
| estimatedLength | about 6 to 7 meters ⓘ |
| estimatedMass | about 300 to 500 kilograms ⓘ |
| family | Dilophosauridae ⓘ |
| fictionalTraitsInJurassicPark |
neck frill
ⓘ
small body size ⓘ venom spitting ⓘ |
| formation | Kayenta Formation ⓘ |
| fossilsFoundIn |
Arizona
ⓘ
Navajo Nation ⓘ |
| foundIn | North America ⓘ |
| geologicalPeriod | Early Jurassic ⓘ |
| hasAnatomicalFeature |
hollow cranial crests
ⓘ
large external nares ⓘ long tail ⓘ paired cranial crests ⓘ relatively light skull ⓘ sharp serrated teeth ⓘ three-fingered hands ⓘ |
| holotypeRepository | University of California Museum of Paleontology ⓘ |
| holotypeSpecimenFound | near Tuba City, Arizona ⓘ |
| kingdom | Animalia ⓘ |
| livedDuring |
Pliensbachian age
ⓘ
linked to:
Pliensbachian
Sinemurian age ⓘ
linked to:
Pliensbachian
|
| locomotion | bipedal ⓘ |
| nameMeaning | two-crested lizard ⓘ |
| notableFor |
distinctive paired head crests
ⓘ
one of the earliest large theropods ⓘ |
| order | Saurischia ⓘ |
| phylum | Chordata ⓘ |
| popularCultureDepiction |
Jurassic Park film franchise
ⓘ
linked to:
Jurassic Park
Jurassic Park novel ⓘ |
| relatedTo |
Coelophysis
ⓘ
Cryolophosaurus ⓘ |
| scientificAccuracyOfFrill | no evidence of neck frill ⓘ |
| scientificAccuracyOfVenom | no evidence of venom ⓘ |
| suborder | Theropoda ⓘ |
| taxonRank | genus ⓘ |
| temporalRange |
approximately 183 million years ago
ⓘ
approximately 193 million years ago ⓘ |
| typeSpecies |
Dilophosaurus wetherilli
ⓘ
linked to:
Dilophosaurus
|
| yearDescribed | 1954 ⓘ |
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: Dilophosaurus Description of subject: Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dilophosaurus
linked to: Dilophosaurus