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Amniotes are
tetrapod vertebrate animals belonging to the
clade Amniota, a
large group that
comprises the vast
majority of
living terrestrial and semiaquatic...
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Reptiliomorpha (meaning reptile-shaped; in
PhyloCode known as Pan-
Amniota) is a
clade containing the
amniotes and
those tetrapods that
share a more recent...
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outside of the
clade Amniota,
though some
recent research has
recovered them as the
sister group to the
traditional Synapsida within Amniota,
based on inner...
- reptiles. Notably, this
appears to be the
ancestral tooth condition in
Amniota. This
morphology was once used as a
basis for the now-defunct taxonomic...
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together with
Sauropsida (reptiles and birds),
constitutes the
larger Amniota clade.
Early synapsids are
referred to as "pelycosaurs". The more advanced...
- Gauthier, .A., Kluge, A.G & Rowe, T. (1988). The
early evolution of the
Amniota.
Pages 103–155 in
Michael J.
Benton (ed.): The
Phylogeny and classification...
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amphibian and
primitive reptilian features, and its
placement relative to
Amniota has
significant implications regarding the
origins of the
first amniotes...
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Batrachomorpha /
Amphibia various extinct clades Lissamphibia Reptiliomorpha / Pan-
Amniota various extinct clades Amniota (Crown group)
Synapsida Sauropsida...
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Amphibia Amniota...
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Actinistia (coelacanths)
Dipnoi (lungfish)
Tetrapoda Amphibia (amphibians)
Amniota Mammalia (mammals) Aves (birds)
Reptilia (reptiles,
paraphyletic with respect...
