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Palaeognathae (/ˌpæliˈɒɡnəθi/; from
Ancient Gr**** παλαιός (palaiós) 'old' and γνάθος (gnáthos) 'jaw') is an
infraclass of birds,
called paleognaths or...
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genus Struthio in the
order Struthioniformes, part of the infra-class
Palaeognathae, a
diverse group of
flightless birds also
known as
ratites that includes...
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other around 54
million years ago.
Placement of
Elephant birds within Palaeognathae, after: The
ancestors of
elephant birds are
thought to have arrived...
- a
polyphyletic group consisting of all
birds within the
infraclass Palaeognathae that lack
keels and
cannot fly. They are
mostly large, long-necked,...
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event 66
million years ago,
giving rise to
ostriches and
relatives (
Palaeognathae),
waterfowl (Anseriformes), ground-living fowl (Galliformes), and "modern...
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Stiller et al (2024).,
showing the 44
orders recognised by the IOC. The
Palaeognathae or "old jaws" is one of the two
superorders recognized within the taxonomic...
- volcanism, and
landscape changes. The
cladogram below is a
phylogeny of
Palaeognathae generated by Mitc**** (2014) with some
clade names after Yuri et al...
- and the
flightless ratites,
which belong instead to the
sister taxon Palaeognathae.
There are
nearly 10,000
living species of neognaths. The
earliest fossils...
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consists of all
modern birds (Neornithes or Aves) with the
exception of
Palaeognathae (ratites and kin) and
Galloanserae (ducks,
chickens and kin). This group...
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description of an
embryonic skeleton of the
extinct elephant bird,
Aepyornis (
Palaeognathae: Ratitae)".
Journal of
Vertebrate Paleontology. 27 (sup4): 1–53. doi:10...
