{{Short description|Extinct genus of amphibians}} {{Automatic taxobox | fossil_range = [[Late Permian]], {{fossilrange|Lopingian}} | image = Trucheosaurus major.jpg | image_caption = Restoration of ''Trucheosaurus major'' | image2 = Trucheosaurus holotype.png | image2_caption = Holotype specimen of ''T. major'' (AMF 50977) | taxon = Trucheosaurus | authority = Watson, 1956 | type_species = {{extinct}}'''''Trucheosaurus major''''' | type_species_authority = (Woodward, 1909 [originally ''[[Bothriceps]] major'') }} '''''Trucheosaurus''''' is an [[extinct]] [[genus]] of [[Rhytidosteidae|rhytidosteid]] [[temnospondyl]] from the [[Late Permian]] [[Glen Davis Formation]] of the [[Sydney Basin]], [[New South Wales]], [[Australia]]. It is known from the [[holotype]] materials MMF 12697a, a partially complete [[skull]], AMF 50977, an articulated [[postcranial]] [[skeleton]] and BMNHR 3728, the counterpart of both skull and postcranial skeleton, recovered from the [[Glen Davis Formation]]. This genus was named by Watson in [[1956 in paleontology|1956]], and the [[type species]] is ''Trucheosaurus major''.<ref name="BA11">{{cite journal |last=Watson |first=D. M. S. |year=1956 |title=The brachyopid labyrinthodonts |journal=Bulletin of the British Museum (Natural History), Geology |volume=2 |pages=317–391 }}</ref>
== Phylogeny == Below is a [[cladogram]] from Dias-da-Silva and Marsicano (2011):<ref name=DSM11>{{cite journal |last=Dias-da-Silva |first=S. |author2=Marsicano, C. |year=2011 |title=Phylogenetic reappraisal of Rhytidosteidae (Stereospondyli: Trematosauria), temnospondyl amphibians from the Permian and Triassic |journal=Journal of Systematic Palaeontology |volume=9 |issue=2 |pages=305–325 |doi=10.1080/14772019.2010.492664|s2cid=84569779 |hdl=11336/68471 |hdl-access=free }}</ref>
{{clade| style=font-size:100%;line-height:100% |label1=[[Stereospondyli]] |1={{clade |1=''[[Benthosuchus]]'' |2=''[[Watsonisuchus]]'' |3={{clade |1={{clade |1=''[[Uruyiella]]'' |2={{clade |1=''[[Peltobatrachus]]'' |2={{clade |1=''[[Rhineceps]]'' |2={{clade |1=''[[Australerpeton]]'' |2=''[[Rhytidosteus]]''}} }} }} }} |2={{clade |1={{clade |1=''[[Lapillopsis]]'' |2=''[[Lydekkerina]]''}} |label2=[[Trematosauria]] |2={{clade |1=''[[Trematosaurus]]'' |2={{clade |1=''[[Luzocephalus]]'' |2={{clade |1=''[[Chomatobatrachus]]'' |2={{clade |label1=[[Brachyopoidea]] |1={{clade |1=''[[Bothriceps]]'' |2={{clade |1=''[[Xenobrachyops]]'' |2=''[[Keratobrachyops]]''}} }} |label2=[[Rhytidosteidae]] |2={{clade |1={{clade |1=''[[Nanolania]]'' |2={{clade |1='''''Trucheosaurus''''' |2=''[[Laidleria]]''}} }} |2={{clade |1=''[[Boreopelta]]'' |2={{clade |1=''[[Peltostega]]'' |2={{clade |1={{clade |1=''[[Pneumatostega]]'' |2={{clade |1=''[[Sangaia]]'' |2=''[[Mahavisaurus]]''}} }} |label2=[[Derwentiinae]] |2={{clade |1=''[[Deltasaurus]]'' |2={{clade |1=''[[Arcadia (genus)|Arcadia]]'' |2={{clade |1=''[[Rewana]]'' |2={{clade |1=''[[Derwentia (amphibian)|Derwentia]]'' |2=''[[Indobrachyops]]'' }} }} }} }} }} }} }} }} }} }} }} }} }} }} }} }}
==References== {{Reflist}}
{{Trematosauria|T.}} {{Taxonbar|from=Q7847151}}
[[Category:Permian temnospondyls]] [[Category:Prehistoric amphibians of Australia]] [[Category:Paleontology in New South Wales]] [[Category:Fossil taxa described in 1956]]
{{temnospondyli-stub}}