Nectridea: Difference between revisions

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'''Nectridea''' is the name of an extinct order of [[lepospondyl]] [[tetrapod]]s from the [[Carboniferous]] and [[Permian]] periods, including animals such as ''[[Diplocaulus]]''. In appearance, they would have resembled modern [[newt]]s or aquatic [[salamander]]s, although they are not close relatives of [[Lissamphibia|modern amphibians]].<ref name=":0" /> They were characterized by long, flattened tails to aid in swimming, as well as numerous features of the vertebrae.
 
== Description ==
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The following is a cladogram from the Ruta ''et al.'' (2003):
 
{{Barlabel|size=1211|at1=910.5|label1="Nectridea"|colour1=black|style=font-size:100%;line-height:85%
|cladogram=
{{clade
{{clade| style=font-size:100%;line-height:85%
|label1=[[Lepospondyli]]
|1={{cladexclade
|1={{cladexclade
|1=''[[Batropetes fritschi]]''
|2=[[Tuditanomorpha]]}}
|2={{cladexclade
|1={{cladexclade
|1=''[[Microbrachis pelikani]]''
|2={{cladexclade
|1=''[[Hyloplesion longicostatum]]''
|2=''[[Odonterpeton triangulare]]''}} }}
|2={{cladexclade
|1=[[Lysorophia]]
|2={{cladexclade
|1=[[Adelospondyli]]
|label2=[[Holospondyli]]
|2={{cladexclade
|1={{cladexclade
|1=[[ScincosauridaeAistopoda]] |barbegin1=black
|2=[[DiplocaulidaeUrocordylidae]] |bar2barbegin2=black}}
|2={{cladex }}
|12=[[Urocordylidae]] |barend1=black{{clade
|21=[[AistopodaDiplocaulidae]] |bar1=black
|2=[[Scincosauridae]] |barend2=black
}} }} }} }} }} }} }}
}}
}}
}}
}}
}}
}}
}}
}}
 
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==External links==
*[http://www.helsinki.fi/~mhaaramo/metazoa/deuterostoma/chordata/amphibia/lepospondyli/nectridae.html Nectridae Phylogeny.]
{{Tetrapodomorpha|St.}}
 
{{Nectridea|H.}}
{{Taxonbar|from=Q135007}}
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[[Category:Pennsylvanian first appearances]]
[[Category:Permian extinctions]]
[[Category:Tetrapodomorph orders]]