Ceratosauria
E364940
Ceratosauria is a group of mostly medium-sized, often horned or crested predatory dinosaurs that represents one of the major early-diverging lineages of theropods.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Ceratosauria canonical | 7 |
| Ceratosauridae | 2 |
| Abelisauridae | 1 |
| Ceratosaurs | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3502257 — 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: Ceratosauria Context triple: [Theropoda, includes, Ceratosauria]
-
A.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
-
B.
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.
-
C.
Theropoda
Theropoda is a major group of mostly bipedal, primarily carnivorous dinosaurs that includes famous species like Tyrannosaurus rex and the ancestors of modern birds.
-
D.
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.
-
E.
Avetheropoda
Avetheropoda is a clade of advanced theropod dinosaurs that includes birds and their closest non-avian relatives.
- 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: Ceratosauria Target entity description: Ceratosauria is a group of mostly medium-sized, often horned or crested predatory dinosaurs that represents one of the major early-diverging lineages of theropods.
-
A.
Carnosauria
Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
-
B.
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.
-
C.
Theropoda
Theropoda is a major group of mostly bipedal, primarily carnivorous dinosaurs that includes famous species like Tyrannosaurus rex and the ancestors of modern birds.
-
D.
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.
-
E.
Avetheropoda
Avetheropoda is a clade of advanced theropod dinosaurs that includes birds and their closest non-avian relatives.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dinosaur clade
ⓘ
taxon ⓘ theropod clade ⓘ |
| containsTaxon |
Abelisauroidea
ⓘ
surface form:
Abelisauridae
Abelisauroidea ⓘ Ceratosauria self-linksurface differs ⓘ
surface form:
Ceratosauridae
Elaphrosaurus ⓘ
surface form:
Elaphrosaurinae
Noasauridae ⓘ |
| distinguishedBy |
often reduced forelimbs in derived abelisaurids
ⓘ
proportionally short, deep skulls in many forms ⓘ rugose cranial ornamentation in many taxa ⓘ |
| distinguishedFrom | Tetanurae ⓘ |
| firstAppearance | Late Jurassic ⓘ |
| fossilRecord | well represented in Late Cretaceous of Gondwana ⓘ |
| geographicDistribution |
Asia
ⓘ
Europe ⓘ Gondwana ⓘ North America ⓘ |
| hasEcologicalRole |
apex predator in some ecosystems
ⓘ
mesopredator in some ecosystems ⓘ |
| higherClassification |
Averostra
ⓘ
Dinosauria ⓘ Saurischia ⓘ Theropoda ⓘ |
| isA |
early-diverging theropod lineage
ⓘ
group of predatory dinosaurs ⓘ |
| lastAppearance | Late Cretaceous ⓘ |
| livedIn | Mesozoic Era ⓘ |
| locomotion | obligate biped ⓘ |
| notableMember |
Carnotaurus
ⓘ
surface form:
Carnotaurus sastrei
Ceratosaurus ⓘ
surface form:
Ceratosaurus nasicornis
Majungasaurus crenatissimus ⓘ Noasaurus leali ⓘ Rugops primus ⓘ |
| parentTaxon |
Averostra
ⓘ
Theropoda ⓘ |
| reproduction | oviparous ⓘ |
| researchField | paleontology ⓘ |
| skeletonCharacteristic |
hollow limb bones typical of theropods
ⓘ
three-toed hindlimbs ⓘ |
| studiedBy | paleontologists ⓘ |
| taxonRank | infraorder ⓘ |
| temporalRange | approximately 163 to 66 million years ago ⓘ |
| typeGenus | Ceratosaurus ⓘ |
| typicalBodySize | small to medium-sized ⓘ |
| typicalDiet | carnivorous ⓘ |
| typicalMorphology | often horned or crested skulls ⓘ |
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: Ceratosauria Description of subject: Ceratosauria is a group of mostly medium-sized, often horned or crested predatory dinosaurs that represents one of the major early-diverging lineages of theropods.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Abelisauridae
this entity surface form:
Ceratosauridae
this entity surface form:
Ceratosaurs
this entity surface form:
Ceratosauridae