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 12
Struthioniformes 3
palaeognaths 1

How this entity was disambiguated

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 palaeognaths ⓘ
linked to: Palaeognathae
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 ⓘ
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 (extinct forms) ⓘ
linked to: Madagascar

New Guinea ⓘ
New Zealand ⓘ
reproductiveTrait large eggs ⓘ
precocial chicks ⓘ
sisterGroup Neognathae ⓘ
subclass Neornithes ⓘ
taxonRank superorder ⓘ
typicalLocomotion terrestrial ⓘ

How these facts were elicited

Referenced by (16)

Full triples — surface form annotated when it differs from this entity's canonical label.

Neognathae → sisterGroup → Palaeognathae ⓘ
Neognathae → excludes → Palaeognathae ⓘ
Casuariiformes → superorder → Palaeognathae ⓘ
Casuariiformes → relatedTo → Struthioniformes ⓘ
linked to: Palaeognathae
Ornithurae → hasMember → Palaeognathae ⓘ
Rheiformes → clade → Palaeognathae ⓘ
Rheiformes → superorder → Palaeognathae ⓘ
Rheiformes → relatedTo → Struthioniformes ⓘ
linked to: Palaeognathae
Apterygiformes → superorder → Palaeognathae ⓘ
Apterygiformes → relatedTo → Struthioniformes ⓘ
linked to: Palaeognathae
Neornithes → hasMember → Palaeognathae ⓘ
Neornithes → hasSubclade → Palaeognathae ⓘ
Palaeognathae → infraclass → Palaeognathae ⓘ
Palaeognathae → commonName → palaeognaths ⓘ
linked to: Palaeognathae
Tinamiformes → superorder → Palaeognathae ⓘ
Struthioniformes → superorder → Palaeognathae ⓘ