# Trucheosaurus

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Extinct genus of amphibians

Trucheosaurus Temporal range: Late Permian, Lopingian PreꞒ Ꞓ O S D C P T J K Pg N Restoration of Trucheosaurus major Holotype specimen of T. major (AMF 50977) Scientific classification Kingdom: Animalia Phylum: Chordata Clade: Tetrapoda Order: †Temnospondyli Suborder: †Stereospondyli Family: †Rhytidosteidae Genus: †Trucheosaurus Watson, 1956 Type species †Trucheosaurus major (Woodward, 1909 [originally Bothriceps major)

***Trucheosaurus*** is an [extinct](/source/Extinct) [genus](/source/Genus) of [rhytidosteid](/source/Rhytidosteidae) [temnospondyl](/source/Temnospondyl) from the [Late Permian](/source/Late_Permian) [Glen Davis Formation](https://en.wikipedia.org/w/index.php?title=Glen_Davis_Formation&action=edit&redlink=1) of the [Sydney Basin](/source/Sydney_Basin), [New South Wales](/source/New_South_Wales), [Australia](/source/Australia). It is known from the [holotype](/source/Holotype) materials MMF 12697a, a partially complete [skull](/source/Skull), AMF 50977, an articulated [postcranial](/source/Postcranial) [skeleton](/source/Skeleton) and BMNHR 3728, the counterpart of both skull and postcranial skeleton, recovered from the [Glen Davis Formation](https://en.wikipedia.org/w/index.php?title=Glen_Davis_Formation&action=edit&redlink=1). This genus was named by Watson in [1956](/source/1956_in_paleontology), and the [type species](/source/Type_species) is *Trucheosaurus major*.[1]

## Phylogeny

Below is a [cladogram](/source/Cladogram) from Dias-da-Silva and Marsicano (2011):[2]

Stereospondyli Benthosuchus Watsonisuchus Uruyiella Peltobatrachus Rhineceps Australerpeton Rhytidosteus Lapillopsis Lydekkerina Trematosauria Trematosaurus Luzocephalus Chomatobatrachus Brachyopoidea Bothriceps Xenobrachyops Keratobrachyops Rhytidosteidae Nanolania Trucheosaurus Laidleria Boreopelta Peltostega Pneumatostega Sangaia Mahavisaurus Derwentiinae Deltasaurus Arcadia Rewana Derwentia Indobrachyops

## References

1. **[^](#cite_ref-BA11_1-0)** Watson, D. M. S. (1956). "The brachyopid labyrinthodonts". *Bulletin of the British Museum (Natural History), Geology*. **2**: 317–391.

1. **[^](#cite_ref-DSM11_2-0)** Dias-da-Silva, S.; Marsicano, C. (2011). "Phylogenetic reappraisal of Rhytidosteidae (Stereospondyli: Trematosauria), temnospondyl amphibians from the Permian and Triassic". *Journal of Systematic Palaeontology*. **9** (2): 305–325. [doi](/source/Doi_(identifier)):[10.1080/14772019.2010.492664](https://doi.org/10.1080%2F14772019.2010.492664). [hdl](/source/Hdl_(identifier)):[11336/68471](https://hdl.handle.net/11336%2F68471). [S2CID](/source/S2CID_(identifier)) [84569779](https://api.semanticscholar.org/CorpusID:84569779).

v t e Stereospondyli Kingdom: Animalia Phylum: Chordata Clade: Tetrapodomorpha Order: Temnospondyli Tetrapodomorpha see Tetrapodomorpha Temnospondyli see Temnospondyli Stereospondyli see below↓ Stereospondyli Stereospondyli Arachana Capulomala Peltobatrachus Lapillopsidae Lapillopsis Manubrantlia Rhigerpeton Rotaurisaurus Rhinesuchidae Australerpeton? Broomistega Laccosaurus Parapytanga? Rastosuchus Rhineceps Rhinesuchoides Rhinesuchus Uranocentrodon Lydekkerinidae Chomatobatrachus Cryobatrachus Deltacephalus Eolydekkerina Indobenthosuchus Luzocephalus? Lydekkerina Capitosauria Antarctosuchus Bukobaja Calmasuchus Capitosaurus Cherninia Cyclotosaurus Edingerella Eocyclotosaurus Eryosuchus Heptasaurus Huangfuchuansuchus Jammerbergia Kestrosaurus Kupferzellia Mastodonsaurus Meyerosuchus Odenwaldia Paracyclotosaurus Parotosuchus Quasicyclotosaurus Procyclotosaurus Promastodonsaurus Rhadalognathus Samarabatrachus Sassenisaurus Sclerothorax Selenocara Stanocephalosaurus Stenotosaurus Subcyclotosaurus Tatrasuchus Vladlenosaurus Volgasaurus Volgasuchus Warrenisuchus Watsonisuchus Wellesaurus Wetlugasaurus Xenotosuchus Yuanansuchus Trematosauria see below↓ Trematosauria Trematosauria Almasaurus Bothriceps Callistomordax Chinlestegophis Keratobrachyops Laidleria Latiscopus Qantas Rileymillerus Syrtosuchus Uruyiella Benthosuchidae Benthosuchus Kwatisuchus Trematosauridae Angusaurus Aphaneramma Cosgriffius Erythrobatrachus Gonioglyptus Hyperokynodon Icanosaurus Indolyrocephalus Inflectosaurus Lyrocephaliscus Microposaurus Panchetosaurus Platystega Prothoosuchus Stoschiosaurus Tertrema Tertremoides Thoosuchus Tirraturhinus Trematolestes Trematosuchoides Trematosaurus Trematosuchus Trematotegmen Wantzosaurus Metoposauridae Anaschisma Apachesaurus Arganasaurus Buettnererpeton Dutuitosaurus Metoposaurus Panthasaurus Rhytidosteidae Boreopelta Mahavisaurus Nanolania Peltostega Pneumatostega Rhytidosteus Sangaia Trucheosaurus Derwentiinae Arcadia Acerastia Deltasaurus Derwentia Indobrachyops Rewana Chigutisauridae Arenaerpeton Chigutisaurus Compsocerops Koolasuchus Pelorocephalus Siderops Brachyopidae Banksiops Bathignathus Batrachosaurus Batrachosuchoides Batrachosuchus Blinasaurus Brachyops Gobiops Hadrokkosaurus Notobrachyops Platycepsion Sinobrachyops Vanastega Vigilius Xenobrachyops Plagiosauridae Gerrothorax Megalophthalma Plagiobatrachus Plagiorophus Plagiosaurus Plagioscutum Plagiosternum Plagiosuchus See also: Trematosauroidea Metoposauroidea Rhytidosteoidea Brachyopomorpha Brachyopoidea Plagiosauroidea Category

Taxon identifiers Trucheosaurus Wikidata: Q7847151 GBIF: 4815773 IRMNG: 1225069 Paleobiology Database: 37157

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Adapted from the Wikipedia article [Trucheosaurus](https://en.wikipedia.org/wiki/Trucheosaurus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Trucheosaurus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.