Othnielosaurus
E273052
Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Othnielosaurus canonical | 3 |
| Laosaurus | 1 |
| Laosaurus consors | 1 |
| Othnielosaurus consors | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2509914 — 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: Othnielosaurus Context triple: [Morrison Formation, containsFossilTaxon, Othnielosaurus]
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
Isauria
Isauria was an ancient rugged inland region of southern Anatolia, known in Roman and Byzantine times for its fiercely independent inhabitants and as the homeland of Emperor Zeno.
-
C.
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.
-
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.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator 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: Othnielosaurus Target entity description: Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
-
A.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
B.
Isauria
Isauria was an ancient rugged inland region of southern Anatolia, known in Roman and Byzantine times for its fiercely independent inhabitants and as the homeland of Emperor Zeno.
-
C.
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.
-
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.
Spinosaurus
Spinosaurus is a large, sail-backed theropod dinosaur, popularly depicted as a fearsome aquatic predator in the Jurassic Park franchise.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
dinosaur
ⓘ
genus ⓘ ornithischian dinosaur ⓘ species ⓘ |
| bodyPlan | lightly built ⓘ |
| clade |
Dinosauria
ⓘ
Ornithischia ⓘ
surface form:
Neornithischia
|
| continent | North America ⓘ |
| diet | herbivorous ⓘ |
| ecologicalNiche | small herbivore ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Hypsilophodontidae ⓘ |
| feedingStyle | plant-eating ⓘ |
| firstDescribedAs |
Othnielosaurus
self-linksurface differs
ⓘ
surface form:
Laosaurus consors
|
| forelimbDescription | short forelimbs ⓘ |
| fossilMaterial |
isolated bones
ⓘ
partial skeletons ⓘ |
| fossilRange | Late Jurassic of North America ⓘ |
| fossilTypeLocality |
Morrison Formation
ⓘ
surface form:
Morrison Formation, western United States
|
| geologicalAge |
Kimmeridgian stage
ⓘ
surface form:
Kimmeridgian
Tithonian ⓘ |
| habitat | terrestrial ⓘ |
| hindlimbDescription | long hindlimbs ⓘ |
| kingdom | Animalia ⓘ |
| knownFrom | Morrison Formation ⓘ |
| livedWith |
Allosaurus
ⓘ
Apatosaurus ⓘ Stegosaurus ⓘ |
| locomotion | bipedal ⓘ |
| mobility | agile runner ⓘ |
| namedAfter | Othniel Charles Marsh ⓘ |
| order | Ornithischia ⓘ |
| parentTaxon | Othnielosaurus self-linksurface differs ⓘ |
| phylum | Chordata ⓘ |
| posture | upright bipedal ⓘ |
| reassignedFrom |
Othnielosaurus
self-linksurface differs
ⓘ
surface form:
Laosaurus
Othnielia ⓘ |
| reproduction | oviparous ⓘ |
| sizeDescription | small ⓘ |
| tailDescription | long tail ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | Late Jurassic ⓘ |
| toothType | leaf-shaped teeth ⓘ |
| typeSpecies |
Othnielosaurus
self-linksurface differs
ⓘ
surface form:
Othnielosaurus consors
|
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: Othnielosaurus Description of subject: Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Othnielosaurus consors
subject surface form:
Othnielosaurus consors
this entity surface form:
Laosaurus consors
this entity surface form:
Laosaurus