Dilophosauridae
E920375
Dilophosauridae is a family of early Jurassic theropod dinosaurs characterized by lightly built, bipedal predators with distinctive cranial crests.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dilophosauridae canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11339428 — 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: Dilophosauridae Context triple: [Dilophosaurus, family, Dilophosauridae]
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
Spinosauridae
Spinosauridae is a family of large, semi-aquatic theropod dinosaurs characterized by elongated crocodile-like snouts and often sail-like structures on their backs.
-
C.
Allosauroidea
Allosauroidea is a clade of large-bodied carnivorous theropod dinosaurs that includes iconic Jurassic predators such as Allosaurus.
-
D.
Allosauridae
Allosauridae is a family of large, carnivorous theropod dinosaurs that includes the well-known predator Allosaurus and its close relatives from the Late Jurassic and Early Cretaceous periods.
-
E.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
- 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: Dilophosauridae Target entity description: Dilophosauridae is a family of early Jurassic theropod dinosaurs characterized by lightly built, bipedal predators with distinctive cranial crests.
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
Spinosauridae
Spinosauridae is a family of large, semi-aquatic theropod dinosaurs characterized by elongated crocodile-like snouts and often sail-like structures on their backs.
-
C.
Allosauroidea
Allosauroidea is a clade of large-bodied carnivorous theropod dinosaurs that includes iconic Jurassic predators such as Allosaurus.
-
D.
Allosauridae
Allosauridae is a family of large, carnivorous theropod dinosaurs that includes the well-known predator Allosaurus and its close relatives from the Late Jurassic and Early Cretaceous periods.
-
E.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
dinosaur family
ⓘ
theropod clade ⓘ |
| approximateLength | up to about 7 meters in large species ⓘ |
| approximateMass | up to about 400 to 500 kilograms in large species ⓘ |
| bodyPlan | lightly built theropod ⓘ |
| clade | Neotheropoda ⓘ |
| class | Reptilia ⓘ |
| containsTaxon |
Dilophosaurus wetherilli
ⓘ
linked to:
Dilophosaurus
Dracovenator regenti ⓘ Sinosaurus triassicus ⓘ Zupaysaurus rougieri ⓘ |
| crestFunctionHypothesis |
sexual selection
ⓘ
species recognition ⓘ visual display ⓘ |
| diagnosticFeature |
bipedal posture
ⓘ
elongate vertebrae ⓘ gracile limb proportions ⓘ large external nares ⓘ lightly built skull ⓘ paired cranial crests ⓘ relatively long neck ⓘ subnarial gap in upper jaw in some members ⓘ |
| diet | carnivorous ⓘ |
| earliestStage | Hettangian ⓘ |
| ecologicalRole | medium to large predator ⓘ |
| fossilDistribution |
Africa
ⓘ
Asia ⓘ North America ⓘ South America ⓘ |
| geologicalTimeRange | approximately 201 to 183 million years ago ⓘ |
| higherClassification |
Averostra (in some phylogenies, as stem-group)
ⓘ
stem-averostran neotheropods ⓘ |
| kingdom | Animalia ⓘ |
| latestStage | Pliensbachian ⓘ |
| locomotion | bipedal ⓘ |
| namedAfter | Dilophosaurus ⓘ |
| nomenclatureSuffix | -idae ⓘ |
| notableLocality |
Kayenta Formation, Arizona, USA
ⓘ
linked to:
Kayenta Formation
|
| order | Saurischia ⓘ |
| paleobiology | active terrestrial predators ⓘ |
| phylum | Chordata ⓘ |
| reproduction | oviparous ⓘ |
| suborder | Theropoda ⓘ |
| superorder | Dinosauria ⓘ |
| taxonRank | family ⓘ |
| temporalRange | Early Jurassic ⓘ |
| theropodGroup | early branching theropods ⓘ |
| typeGenus | Dilophosaurus ⓘ |
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: Dilophosauridae Description of subject: Dilophosauridae is a family of early Jurassic theropod dinosaurs characterized by lightly built, bipedal predators with distinctive cranial crests.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.