Temnospòndils: diferència entre les revisions

| peu = [[Salamandra]]

}}

 

== Filogènia ==

Els especialistes no han arribat a un consens respecte a si els temnospòndils són o no autèntics [[amfibis]]. S'ha proposat que certes formes especialitzades poden correspondre a ancestres d'alguns o fins i tot de tots els amfibis moderns ([[Lissamfibis|Lissamphibia]]), <ref>Bolt, J. R. (1991) In Origins of the Higher Groups of Tetrapods: Controversy and Consensus (eds Schultze, H.-P. & Trueb, L.) 194–222.</ref><ref>Trueb, L. & Cloutier, R. (1991) In Origins of the Higher Groups of Tetrapods: Controversy and Consensus (eds Schultze, H.-P. & Trueb, L.) 174–193.</ref><ref>Sigurdsen & Bolt, J. R. (2009) [http://www3.interscience.wiley.com/journal/122465171/abstract?CRETRY=1&SRETRY=0 The lissamphibian humerus and elbow joint, and the origins of modern amphibians]. ''J Morphol.''</ref> com també que el grup es va extingir sense deixar descendientes.<ref>Bolt, J. R. (1969) Lissamphibian origins: possible protolissamphibian from the Lower Permian of Oklahoma. Science 166: 888-891.</ref><ref>Watson, D. M. S. (1940) The origin of frogs. Transactions of the Royal Society of Edinburgh 60:195-231.</ref><ref name=benton>Benton, M. J. (2004) [http://books.google.cl/books?id=P1LkOL1CijEC&printsec=frontcover Vertebrate Paleontology, 3rd Ed]. Blackwell Science Ltd.</ref><ref>Laurin, M. (1996) [http://tolweb.org/tree?group=Terrestrial_Vertebrates&contgroup=Sarcopterygii Terrestrial Vertebrates - Stegocephalians: Tetrapods and other digit-bearing vertebrates]</ref><ref>Reisz, Robert, (sin fecha), [https://web.archive.org/web/20060101123429/http://www.erin.utoronto.ca/~w3bio356/lectures/temno.html Biology 356 - Major Features of Vertebrate Evolution - The Origin of Tetrapods and Temnospondyls]</ref> Dins la mateixa línia, s'ha plantejat que els lisamfinis podrien ser [[lepospòndils]], de manera que s'exclouria als temnospòndils d' [[Amfibis|Amphibia]].<ref>Laurin, M. (1998a) The importance of global parsimony and historical bias in understanding tetrapod evolution. Part I—systematics, middle ear evolution, and jaw suspension. Annales des Sciences Naturelles, Zoologie, Paris, 13e Série 19: 1-42.</ref><ref>Laurin, M. (1998b) The importance of global parsimony and historical bias in understanding tetrapod evolution. Part II—vertebral centrum, costal ventilation, and paedomorphosis. Annales des Sciences Naturelles, Zoologie, Paris, 13e Série 19: 99-114.</ref><ref>Laurin, M. & Reisz, R. R. (1997) A new perspective on tetrapod phylogeny. In: S. Sumida and K. Martin (eds.) Amniote Origins—Completing the Transition to Land: 9-59. London: Academic Press.</ref><ref>Pyron, R. A. (2011) [http://www.ncbi.nlm.nih.gov/pubmed/21540408 Divergence time estimation using fossils as terminal taxa and the origins of lissamphibia]. ''Syst Biol.'' 60(4):466-81.</ref>

==Taxonomia ==

*'''Ordre Temnospondyli'''

**''[[Saharastega]]''