Palaeognathae
E267704
Palaeognathae is a major clade of mostly flightless birds that includes ostriches, emus, rheas, cassowaries, kiwis, and tinamous, characterized by their distinctive "old jaw" skull structure.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Palaeognathae canonical | 10 |
| Struthioniformes | 3 |
| palaeognaths | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2447476 — 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: Palaeognathae Context triple: [Neognathae, sisterGroup, Palaeognathae]
-
A.
Mesitornithiformes
Mesitornithiformes is a small order of ground-dwelling birds endemic to Madagascar, known for their secretive behavior and limited flight.
-
B.
Aequornithes
Aequornithes is a major clade of primarily aquatic, water-associated birds that includes groups such as penguins, loons, petrels, pelicans, and herons.
-
C.
Afroaves
Afroaves is a major clade of birds that includes diverse groups such as raptors, woodpeckers, hornbills, kingfishers, and many others thought to share a common evolutionary origin.
-
D.
Ornithurae
Ornithurae is a clade of birds that includes all modern birds and their closest extinct relatives characterized by a shortened, fused tail (pygostyle).
-
E.
Casuariiformes
Casuariiformes is an order of large, flightless birds that includes cassowaries and emus, native primarily to Australia and New Guinea.
- 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: Palaeognathae Target entity description: Palaeognathae is a major clade of mostly flightless birds that includes ostriches, emus, rheas, cassowaries, kiwis, and tinamous, characterized by their distinctive "old jaw" skull structure.
-
A.
Mesitornithiformes
Mesitornithiformes is a small order of ground-dwelling birds endemic to Madagascar, known for their secretive behavior and limited flight.
-
B.
Aequornithes
Aequornithes is a major clade of primarily aquatic, water-associated birds that includes groups such as penguins, loons, petrels, pelicans, and herons.
-
C.
Afroaves
Afroaves is a major clade of birds that includes diverse groups such as raptors, woodpeckers, hornbills, kingfishers, and many others thought to share a common evolutionary origin.
-
D.
Ornithurae
Ornithurae is a clade of birds that includes all modern birds and their closest extinct relatives characterized by a shortened, fused tail (pygostyle).
-
E.
Casuariiformes
Casuariiformes is an order of large, flightless birds that includes cassowaries and emus, native primarily to Australia and New Guinea.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
bird clade
ⓘ
clade ⓘ taxon ⓘ |
| bodySizeRange | small to very large birds ⓘ |
| characterizedBy |
distinctive "old jaw" skull structure
ⓘ
palaeognathous palate ⓘ rigid upper jaw ⓘ |
| class | Aves ⓘ |
| commonName |
Palaeognathae
self-linksurface differs
ⓘ
surface form:
palaeognaths
|
| containsFlyingMembers | tinamous ⓘ |
| distinguishedFrom | Neognathae by skull morphology ⓘ |
| distribution | Gondwanan origin ⓘ |
| evolutionarySignificance | one of two major lineages of modern birds ⓘ |
| flightCapability | mostly flightless ⓘ |
| fossilRecord | Cretaceous to Recent ⓘ |
| includes |
Apterygiformes
ⓘ
Casuariiformes ⓘ Rheiformes ⓘ Struthioniformes ⓘ Tinamiformes ⓘ |
| includesCommonName |
cassowaries
ⓘ
emus ⓘ kiwis ⓘ ostriches ⓘ rheas ⓘ tinamous ⓘ |
| includesExtinctGroup |
elephant birds
ⓘ
moas ⓘ |
| infraclass | Palaeognathae self-link ⓘ |
| jawType | palaeognathous ⓘ |
| kingdom | Animalia ⓘ |
| largestLivingMember | common ostrich ⓘ |
| notableFeature |
reduced keel on sternum in most species
ⓘ
strong legs adapted for running in many species ⓘ |
| palateStructure |
fused vomer and palatine bones
ⓘ
large vomer contacting premaxillae ⓘ |
| phylum | Chordata ⓘ |
| presentInContinent |
Africa
ⓘ
Australia ⓘ South America ⓘ |
| presentInRegion |
Madagascar
ⓘ
surface form:
Madagascar (extinct forms)
New Guinea ⓘ New Zealand ⓘ |
| reproductiveTrait |
large eggs
ⓘ
precocial chicks ⓘ |
| sisterGroup | Neognathae ⓘ |
| subclass | Neornithes ⓘ |
| taxonRank | superorder ⓘ |
| typicalLocomotion | terrestrial ⓘ |
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: Palaeognathae Description of subject: Palaeognathae is a major clade of mostly flightless birds that includes ostriches, emus, rheas, cassowaries, kiwis, and tinamous, characterized by their distinctive "old jaw" skull structure.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Struthioniformes
this entity surface form:
Struthioniformes
this entity surface form:
Struthioniformes
this entity surface form:
palaeognaths