Trematosauria

Trematosauria

Taxobox
name = Trematosauria
fossil_range = Early Triassic - Middle Cretaceous



image_caption = "Trematolestes"
regnum = Animalia
phylum = Chordata
superclassis = Tetrapoda
classis = Amphibia
ordo = Temnospondyli
subordo = Stereospondyli
infraordo = Trematosauria
infraordo_authority = Romer, 1947
subdivision_ranks = Superfamilies
subdivision =
Trematosauroidea "Inflectosaurus"
Metoposauroidea
Plagiosauroidea
Brachyopomorpha
Rhytidosteoidea

Trematosauria are one of two major groups of Temnospondyl amphibians that survived the Permian-Triassic extinction event; the other (according to Yates and Warren 2000) being the Capitosauria. The Trematosaurs were a diverse and important group that included many medium-sized and large, semi-aquatic to totally aquatic, long-snouted to short broad headed forms. Although most groups did not survive beyond the Triassic, one lineage, the Chigutosauridae, continued until the Cretaceous period.An example is the trematosauroidea.

External links

* [http://www.palaeos.com/Vertebrates/Units/160Temnospondyli/400.html Temnospondyli: Trematosauria] at Palaeos
* [http://www.fmnh.helsinki.fi/users/haaramo/Metazoa/deuterostoma/Chordata/Amphibia/Limnarchia/Trematosauria_1.htm Trematosauria] at Mikko's Phylogeny Archive (cladogram)


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