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EUTEMNOSPONDYLI: A GROUP OF LARGE PRIMORDIAL AMPHIBIANS

The eutemnospondyls are a group of early amphibious tetrapods who represent the first four-legged critters to reach a good size. They survived into the era of the dinosaurs.

	Dendrerpetidae †Dendrerpeton
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Neldasaurus
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Procuhy
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Trimerorhacis
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Dvinosauridae †Dvinosaurus
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Erpetosaurus
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Isodectes
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Acroplous
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Kourerpeton
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Slaugenhopia
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Thabanchuia
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Tupilakosaurus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Branchierpeton
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Eimerisaurus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Limnogyrinus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Micromelerpeton
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Nyranerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Ecolsonia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Fedexia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Tambachia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Anconastes
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Phonerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Acheloma
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Actiobates
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Rotaryus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Mordex
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Mattauschia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Platyhystrix
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Aspidosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Conjunctio
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Dissorophinae †Dissorophus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Dissorophinae †Broiliellus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Brevidorsum
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Scapanops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Cacops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Kamacops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Zygosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Eoscopus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Platyrhinops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Gerobatrachus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Georgenthalia
	*LISSAMPHIBIA*
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Tersomius
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Pasawioops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Micropholis
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Amphibamidae †Doleserpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Amphibamidae †Amphibamus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Branchiosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Apateon
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Melanerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Leptorophus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Schoenfelderpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Tungussogyrininae †Tungussogyrinus
	Rhachitomi \| Zatracheidae †Acanthostomatops
	Rhachitomi \| Zatracheidae †Chemnitzion
	Rhachitomi \| Zatracheidae †Dasyceps
	Rhachitomi \| Zatracheidae †Zatrachys
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Actinodon
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Cheliderpeton
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Chelydosaurus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Syndyodosuchus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Clamorosaurus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Eryops
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Glaukerpeton
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Onchiodon
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Osteophorus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Archegosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Bageherpeton
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Bashkirosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Collidosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Kashmirosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Platyoposaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Prionosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Koinia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Konzhukovia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Melosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Tryphosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Uralosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Intasuchidae †Intasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Sclerocephalidae †Sclerocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Eolydekkerina
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Lydekkerina
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Deltacephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Sclerothoracidae †Sclerothorax
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Odenwaldia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Quasicyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Eocyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Yuanansuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Bukobaja
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Capitosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Cherninia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Cyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Eryosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Heptasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Kestrosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Kupferzellia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Mastodonsaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Paracyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Parotosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Promastodonsaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Rhadalognathus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Sassenisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Stanocephalosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Subcyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Volgasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Volgasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Wetlugasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Xenotosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Procyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Stenotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Wellesaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Thoosuchidae †Thoosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tirraturhinus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tertrema
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Trematolestes
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tertremoides
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Aphaneramma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Erythrobatrachus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Cosgriffius
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Stoschiosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Wantzosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Lyrocephaliscus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Platystega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Luzocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Trematosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Trematosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Latiscopidae †Latiscopus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Anaschisma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Apachesaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Arganasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Dutuitosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Eupelor
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Metoposaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Panthasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Laidleriidae †Laidleria
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Gerrothorax
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Megalophthalma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiosternum
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagioscutum
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiobatrachus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Nanolania
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Trucheosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Boreopelta
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Peltostega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Pneumatostega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Sangaia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Mahavisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Deltasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Arcadia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Rewana
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Acerastia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Derwentia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Indobrachyopidae †Indobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Banksiops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosuchoides
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Brachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Gobiops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Notobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Platycepsion
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Sinobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Vanastega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Vigilius
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Xenobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Chigutisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Compsocerops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Keratobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Koolasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Kuttycephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Pelorocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Siderops

	Dendrerpetidae †Dendrerpeton
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Neldasaurus
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Procuhy
	Rhachitomi \| Dvinosauria \| Trimerorhacidae †Trimerorhacis
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Dvinosauridae †Dvinosaurus
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Erpetosaurus
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Isodectes
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Eobrachyopidae †Acroplous
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Kourerpeton
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Slaugenhopia
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Thabanchuia
	Rhachitomi \| Dvinosauria \| Dvinosauroidea \| Tupilakosauridae †Tupilakosaurus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Branchierpeton
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Eimerisaurus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Limnogyrinus
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Micromelerpeton
	Rhachitomi \| Dissorophoidea \| Micromelerpetonidae †Nyranerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Ecolsonia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Fedexia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Tambachia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Anconastes
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Phonerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Acheloma
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Actiobates
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Rotaryus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Mordex
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Trematopidae †Mattauschia
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Platyhystrix
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Aspidosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae †Conjunctio
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Dissorophinae †Dissorophus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Dissorophinae †Broiliellus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Brevidorsum
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Scapanops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Cacops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Kamacops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Olsoniformes \| Dissorophidae \| Eucacopinae †Zygosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Eoscopus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Platyrhinops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Gerobatrachus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes †Georgenthalia
	*LISSAMPHIBIA*
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Tersomius
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Pasawioops
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Micropholidae †Micropholis
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Amphibamidae †Doleserpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Amphibamidae †Amphibamus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Branchiosaurus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Apateon
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Melanerpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Leptorophus
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Branchiosaurinae †Schoenfelderpeton
	Rhachitomi \| Dissorophoidea \| Xerodromes \| Amphibamiformes \| Branchiosauridae \| Tungussogyrininae †Tungussogyrinus
	Rhachitomi \| Zatracheidae †Acanthostomatops
	Rhachitomi \| Zatracheidae †Chemnitzion
	Rhachitomi \| Zatracheidae †Dasyceps
	Rhachitomi \| Zatracheidae †Zatrachys
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Actinodon
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Cheliderpeton
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Chelydosaurus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae †Syndyodosuchus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Clamorosaurus
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Eryops
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Glaukerpeton
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Onchiodon
	Rhachitomi \| Eryopiformes \| Euskelia \| Eryopidae \| Eryopinae †Osteophorus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Archegosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Bageherpeton
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Bashkirosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Collidosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Kashmirosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Platyoposaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Platyoposaurinae †Prionosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Koinia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Konzhukovia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Melosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Tryphosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Archegosauridae \| Melosaurinae †Uralosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Intasuchidae †Intasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Archegosauroidea \| Sclerocephalidae †Sclerocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Eolydekkerina
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Lydekkerina
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Lydekkerinidae †Deltacephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Sclerothoracidae †Sclerothorax
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Odenwaldia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Quasicyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Eocyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Heylerosauridae †Yuanansuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Bukobaja
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Capitosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Cherninia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Cyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Eryosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Heptasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Kestrosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Kupferzellia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Mastodonsaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Paracyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Parotosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Promastodonsaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Rhadalognathus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Sassenisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Stanocephalosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Subcyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Volgasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Volgasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Wetlugasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Mastodonsauridae †Xenotosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Procyclotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Stenotosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Capitosauria \| Mastodonsauroidea \| Stenontosauridae †Wellesaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Thoosuchidae †Thoosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tirraturhinus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tertrema
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Trematolestes
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Tertreminae †Tertremoides
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Aphaneramma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Erythrobatrachus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Cosgriffius
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Stoschiosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Lonchorhynchidae †Wantzosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Lyrocephaliscus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Platystega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Luzocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Trematosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Trematosauroidea \| Trematosauridae \| Trematosaurinae †Trematosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Latiscopidae †Latiscopus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Anaschisma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Apachesaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Arganasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Dutuitosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Eupelor
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Metoposaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Metoposauroidea \| Metoposauridae †Panthasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Laidleriidae †Laidleria
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Gerrothorax
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Megalophthalma
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiosternum
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagioscutum
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Plagiosauroidea \| Plagiosauridae †Plagiobatrachus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Nanolania
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Trucheosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Boreopelta
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Peltostega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Pneumatostega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Sangaia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae †Mahavisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Deltasaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Arcadia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Rewana
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Acerastia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Rhytidosteridae \| Derwentiinae †Derwentia
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Rhytidosteroidea \| Indobrachyopidae †Indobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Banksiops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosuchoides
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Batrachosuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Brachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Gobiops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Notobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Platycepsion
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Sinobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Vanastega
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Vigilius
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Brachyopidae †Xenobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Chigutisaurus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Compsocerops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Keratobrachyops
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Koolasuchus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Kuttycephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Pelorocephalus
	Rhachitomi \| Eryopiformes \| Limnarchia \| Stereospondylomorpha \| Neostereospondyli \| Trematosauria \| Brachyopomorpha \| Brachyopoidea \| Chigutisauridae †Siderops

°Arcus°

EUTEMNOSPONDYLI: A GROUP OF LARGE PRIMORDIAL AMPHIBIANS

The eutemnospondyls are a group of early amphibious tetrapods who represent the first four-legged critters to reach a good size. They survived into the era of the dinosaurs.