Dakotaraptor steini
E368615
Dakotaraptor steini is a large, late Cretaceous dromaeosaurid theropod dinosaur known for its formidable sickle-shaped claws and discovery in North America.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dakotaraptor steini canonical | 3 |
| Dakotaraptor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3502401 — 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: Dakotaraptor steini Context triple: [Hell Creek Formation, containsFossil, Dakotaraptor steini]
-
A.
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.
-
B.
Carnotaurus
Carnotaurus is a large, carnivorous theropod dinosaur known for its distinctive bull-like horns, lightly built body, and extremely reduced forelimbs.
-
C.
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.
-
D.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
E.
Coelophysis
Coelophysis was a small, lightly built, carnivorous dinosaur from the Late Triassic period, known for being one of the earliest well-documented theropods.
- 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: Dakotaraptor steini Target entity description: Dakotaraptor steini is a large, late Cretaceous dromaeosaurid theropod dinosaur known for its formidable sickle-shaped claws and discovery in North America.
-
A.
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.
-
B.
Carnotaurus
Carnotaurus is a large, carnivorous theropod dinosaur known for its distinctive bull-like horns, lightly built body, and extremely reduced forelimbs.
-
C.
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.
-
D.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
E.
Coelophysis
Coelophysis was a small, lightly built, carnivorous dinosaur from the Late Triassic period, known for being one of the earliest well-documented theropods.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dromaeosaurid
ⓘ
fossil taxon ⓘ paravian dinosaur ⓘ theropod dinosaur ⓘ |
| age | Maastrichtian ⓘ |
| bodySize | large for a dromaeosaurid ⓘ |
| clade |
Coelurosauria
ⓘ
Maniraptora ⓘ Paraves ⓘ Theropoda ⓘ |
| coexistedWith |
Edmontosaurus annectens
ⓘ
Triceratops ⓘ
surface form:
Triceratops horridus
Tyrannosaurus ⓘ
surface form:
Tyrannosaurus rex
|
| country |
United States of America
ⓘ
surface form:
United States
|
| describedBy |
David A. Burnham
NERFINISHED
ⓘ
Larry D. Martin ⓘ Peter L. Larson ⓘ Robert DePalma ⓘ Robert T. Bakker ⓘ |
| diet | carnivorous ⓘ |
| discoveredIn | South Dakota ⓘ |
| ecologicalRole | large predator ⓘ |
| estimatedLength | about 5 to 6 meters ⓘ |
| estimatedMass | around 300 to 350 kilograms ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Dromaeosauridae ⓘ |
| formation | Hell Creek Formation ⓘ |
| fossilRecord | known only from fossil remains ⓘ |
| fossilTypeMaterial | partial skeletons ⓘ |
| genus |
Dakotaraptor steini
self-linksurface differs
ⓘ
surface form:
Dakotaraptor
|
| hadAnatomicalFeature |
elongate forelimbs
ⓘ
feather-bearing forearm quill knobs (interpreted) ⓘ large sickle-shaped claw on second toe ⓘ |
| holotype | PBMNH.P.10.113.T ⓘ |
| knownFrom | postcranial remains ⓘ |
| livedIn |
North America
ⓘ
what is now South Dakota ⓘ |
| locomotion | bipedal ⓘ |
| namedAfter | Walter W. Stein NERFINISHED ⓘ |
| nameMeaning | Dakota thief ⓘ |
| paleoenvironment |
floodplain ecosystem
ⓘ
riverine system ⓘ |
| period | Late Cretaceous ⓘ |
| reproduction | oviparous ⓘ |
| taxonRank | species ⓘ |
| temporalRangeEnd | Cretaceous–Paleogene extinction event ⓘ |
| yearDescribed | 2015 ⓘ |
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: Dakotaraptor steini Description of subject: Dakotaraptor steini is a large, late Cretaceous dromaeosaurid theropod dinosaur known for its formidable sickle-shaped claws and discovery in North America.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Dakotaraptor