Stegocephali Watsonisuchus Wetlugasaurus Mastodonsauridae Hynerpeton Tetrapod Elpistostegalia Ventastega Parmastega Perittodus Ossirarus Aytonerpeton Ymeria Densignathus Sinostega Antlerpeton Ichthyerpeton Eucritta Adelospondyli Whatcheeria Tantallognathus Crassigyrinus Metaxygnathus Jakubsonia Nectridea Diploradus Elginerpetontidae Baphetoidea Ichthyostega Mesanerpeton Brittagnathus Colosteidae Deltaherpeton Whatcheeriidae Aistopoda Pederpes Tulerpeton Occidens portlocki Phyllospondyli Pholidogaster Doragnathus Elpistostege Stem tetrapoda Zachelmie trackways Rachitomi Polydactyly in stem-tetrapods Acanthostega Tungsenia Phlegethontioidea Eo…

obaphetes Barameda Livoniana Megalichthyiformes Gyroptychius Litoptychus Pteroplax Oestocephalus Koharalepis Cladarosymblema Glyptopomus Latvius Holospondyli Papposaurus Mandageria Beelarongia Archichthys Notorhizodon Gephyrostegus Megistolepis Andersonerpeton Screbinodus Osteolepididae Megadonichthys Bogdanovia Megapomus Devonosteus Eusthenodon Phlegethontiidae Sigournea Spathicephalus Neopteroplax Phlegethontia Dolichopareias Acherontiscus Leptophractus Ossinodus Coloraderpeton Proterogyrinus Chrysolepis orlensis Koilops Gooloogongia Hyneria Kyrinion Eotetrapodiformes Jarvikina Hongyu Eusauropleura Baphetes Adelogyrinus Calligenethlon

Baphetidae Thursius Strepsodus Palaeospondylus Bruktererpeton Batrachomorpha Sauripterus Muranjilepis Seroherpeton Palaeoherpeton Osteolepis Adelospondylus Rhizodus Heddleichthys Ectosteorhachis Aversor Archeria (animal) Marsdenichthys Anthracosaurus Lethiscus Letognathus Ophiderpeton Diplovertebron Tetrapodomorpha Cryptolepis grossi Pholiderpeton Greererpeton Loxomma Oestocephalidae Spondylerpeton Mahalalepis Carbonoherpeton Tristichopterus Casineria Megalichthyidae Edenopteron Cabonnichthys Caerorhachis Eoherpeton Ichthyostegalia Tristichopteridae Megalichthys Canowindridae Anthracosauria Gogonasus Qikiqtania Megalocephalus Sillerpeton Kenichthys Platycephalichthys Cricotus Panderichthys Canowindra grossi Lang