Troodon
E368614
Troodon was a small, bird-like, highly intelligent theropod dinosaur known for its large eyes, grasping hands, and serrated teeth, which suggest an active, possibly omnivorous lifestyle.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Troodon canonical | 2 |
| Troodon formosus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3502248 — 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: Troodon Context triple: [Theropoda, includes, Troodon]
-
A.
Coelophysis
Coelophysis was a small, lightly built, carnivorous dinosaur from the Late Triassic period, known for being one of the earliest well-documented theropods.
-
B.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
C.
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.
-
D.
Daspletosaurus
Daspletosaurus was a large, carnivorous tyrannosaurid dinosaur from the Late Cretaceous of North America, known as a powerful apex predator with a massive skull and robust teeth.
-
E.
Dryosaurus
Dryosaurus was a small, fast, plant-eating ornithopod dinosaur from the Late Jurassic period, known for its long legs and lightweight build.
- 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: Troodon Target entity description: Troodon was a small, bird-like, highly intelligent theropod dinosaur known for its large eyes, grasping hands, and serrated teeth, which suggest an active, possibly omnivorous lifestyle.
-
A.
Coelophysis
Coelophysis was a small, lightly built, carnivorous dinosaur from the Late Triassic period, known for being one of the earliest well-documented theropods.
-
B.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
C.
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.
-
D.
Daspletosaurus
Daspletosaurus was a large, carnivorous tyrannosaurid dinosaur from the Late Cretaceous of North America, known as a powerful apex predator with a massive skull and robust teeth.
-
E.
Dryosaurus
Dryosaurus was a small, fast, plant-eating ornithopod dinosaur from the Late Jurassic period, known for its long legs and lightweight build.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dinosaur
ⓘ
theropod ⓘ troodontid ⓘ |
| belongsToClade | Paraves ⓘ |
| clade | Dinosauria ⓘ |
| class | Reptilia ⓘ |
| controversy | taxonomy debated among paleontologists ⓘ |
| diet |
carnivorous
ⓘ
insectivorous ⓘ omnivorous ⓘ |
| estimatedLength | 2–3 meters ⓘ |
| estimatedMass | 35–50 kilograms ⓘ |
| family | Troodontidae ⓘ |
| fossilRange | Late Cretaceous ⓘ |
| fossilsFoundIn |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| geologicalFormationFossilsFoundIn |
Horseshoe Canyon Formation
ⓘ
Judith River Formation ⓘ Two Medicine Formation ⓘ |
| hadAnatomicalFeature |
grasping hands
ⓘ
large eyes ⓘ relatively large brain ⓘ serrated teeth ⓘ sickle-shaped claw on second toe ⓘ |
| intelligenceComparedToOtherDinosaurs | high ⓘ |
| isBirdLike | true ⓘ |
| kingdom | Animalia ⓘ |
| livedIn | North America ⓘ |
| livedInPeriod |
Campanian
ⓘ
Maastrichtian ⓘ |
| locomotion | bipedal ⓘ |
| namedBy | Joseph Leidy ⓘ |
| nestingBehavior | ground nests ⓘ |
| notableFor |
high encephalization quotient among dinosaurs
ⓘ
one of the first troodontids described ⓘ |
| order | Saurischia ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
dromaeosaurids
ⓘ
early birds ⓘ |
| reproduction | oviparous ⓘ |
| suborder | Theropoda ⓘ |
| taxonRank | genus ⓘ |
| toothMorphology |
finely serrated teeth
ⓘ
recurved teeth ⓘ |
| typeSpecies |
Troodon
self-linksurface differs
ⓘ
surface form:
Troodon formosus
|
| vision | good night vision ⓘ |
| yearDescribed | 1856 ⓘ |
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: Troodon Description of subject: Troodon was a small, bird-like, highly intelligent theropod dinosaur known for its large eyes, grasping hands, and serrated teeth, which suggest an active, possibly omnivorous lifestyle.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Troodon formosus