Diplodocus
E274881
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Diplodocus canonical | 10 |
| Diplodocus carnegii | 2 |
| Diplodocus longus | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2509908 — 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: Diplodocus Context triple: [Morrison Formation, containsFossilTaxon, Diplodocus]
-
A.
Brachiosaurus
Brachiosaurus is a large, long-necked sauropod dinosaur famous for its towering height and iconic appearances in popular culture.
-
B.
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.
-
C.
Máximo the Titanosaur
Máximo the Titanosaur is a mounted cast of a giant Patagotitan mayorum dinosaur, notable as one of the largest dinosaur displays in the world and a centerpiece attraction at Chicago’s Field Museum.
-
D.
Tyrannosaurus
Tyrannosaurus is a genus of large carnivorous theropod dinosaurs from the Late Cretaceous, best known for the iconic species Tyrannosaurus rex.
-
E.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted 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: Diplodocus Target entity description: 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.
-
A.
Brachiosaurus
Brachiosaurus is a large, long-necked sauropod dinosaur famous for its towering height and iconic appearances in popular culture.
-
B.
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.
-
C.
Máximo the Titanosaur
Máximo the Titanosaur is a mounted cast of a giant Patagotitan mayorum dinosaur, notable as one of the largest dinosaur displays in the world and a centerpiece attraction at Chicago’s Field Museum.
-
D.
Tyrannosaurus
Tyrannosaurus is a genus of large carnivorous theropod dinosaurs from the Late Cretaceous, best known for the iconic species Tyrannosaurus rex.
-
E.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
sauropod dinosaur ⓘ |
| bodyPlan | long-bodied ⓘ |
| class | Reptilia ⓘ |
| continent | North America ⓘ |
| diet | herbivorous ⓘ |
| environment |
floodplains
ⓘ
riverine systems ⓘ |
| estimatedLength | about 24 to 27 meters ⓘ |
| estimatedMass | about 10 to 16 metric tons ⓘ |
| family | Diplodocidae ⓘ |
| famousSpecimen | Diplodocus carnegii mounted in many museums ⓘ |
| feedingStrategy | low to mid-level browsing ⓘ |
| fossilRange | Late Jurassic ⓘ |
| fossilsFoundIn |
Colorado
ⓘ
Morrison Formation ⓘ Utah ⓘ Wyoming ⓘ |
| geologicalPeriod | Late Jurassic ⓘ |
| includesSpecies |
Diplodocus
self-linksurface differs
ⓘ
surface form:
Diplodocus carnegii
Diplodocus self-linksurface differs ⓘ
surface form:
Diplodocus longus
|
| infraorder | Sauropoda ⓘ |
| kingdom | Animalia ⓘ |
| livedInAge |
Kimmeridgian stage
ⓘ
surface form:
Kimmeridgian
Tithonian ⓘ |
| livedWith |
Allosaurus
ⓘ
Apatosaurus ⓘ Stegosaurus ⓘ |
| locomotion | quadrupedal ⓘ |
| namedAfter | Greek words meaning "double beam" ⓘ |
| namedBy | Othniel Charles Marsh ⓘ |
| nameRefersTo | double-beamed chevron bones of the tail ⓘ |
| neckType | long-necked ⓘ |
| notableFeature |
peg-like teeth at front of jaws
ⓘ
relatively light skull ⓘ very long neck ⓘ very long tail ⓘ |
| order | Saurischia ⓘ |
| phylum | Chordata ⓘ |
| popularCulture | frequently depicted in museums ⓘ |
| posture | horizontal body posture ⓘ |
| subfamily | Diplodocinae ⓘ |
| suborder | Sauropodomorpha ⓘ |
| superorder | Dinosauria ⓘ |
| tailFunction | possible defensive whip ⓘ |
| tailType | whip-tailed ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | about 154 to 150 million years ago ⓘ |
| typeSpecies |
Diplodocus
self-linksurface differs
ⓘ
surface form:
Diplodocus longus
|
| yearDescribed | 1878 ⓘ |
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: Diplodocus Description of subject: 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.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Diplodocus carnegii
this entity surface form:
Diplodocus longus
this entity surface form:
Diplodocus longus
this entity surface form:
Diplodocus carnegii