Phyllospondyli Zachelmie trackways Doragnathus Polydactyly in stem-tetrapods Stem tetrapoda Tungsenia Rachitomi Barameda Ossirarus Cladarosymblema Holospondyli Gyroptychius Phlegethontioidea Eobaphetes Mesanerpeton Megapomus Bogdanovia Megadonichthys Osteolepididae Eusthenodon Megalichthyiformes Papposaurus Notorhizodon Ymeria Sinostega Eotetrapodiformes Kyrinion Hongyu Hyneria Gooloogongia Jarvikina Litoptychus Pteroplax Parmastega Oestocephalus Koharalepis Marsdenichthys Proterogyrinus Chrysolepis orlensis Aytonerpeton Beelarongia Livoniana Perittodus Mahalalepis Tristichopterus Densignathus Archichthys Andersonerpeton Gephyrostegus Antlerpeton Megistolepis Screbin…

nodus Phlegethontiidae Anthracosaurus Lethiscus Jakubsonia Baphetidae Strepsodus Adelogyrinus Thursius Calligenethlon Batrachomorpha Crassigyrinus Muranjilepis Sauripterus Metaxygnathus Seroherpeton Latvius Glyptopomus Coloraderpeton Ossinodus Leptophractus Megalichthyidae Obruchevichthys Palaeomolgophis Langlieria Ichthyostegalia Edenopteron Devonosteus Cabonnichthys Spondylerpeton Letognathus Ophiderpeton Baphetoidea Palaeospondylus Whatcheeria B

ruktererpeton Mandageria Neopteroplax Ichthyerpeton Adelospondyli Eucritta Phlegethontia Dolichopareias Ventastega Pseudophlegethontia Colosteidae Sillerpeton Tulerpeton Kenichthys Carbonoherpeton Rhizodus Tantallognathus Osteolepis Palaeoherpeton Cryptolepis grossi Adelospondylus Diplovertebron Eusauropleura Baphetes Gogonasus Occidens portlocki Canowindra grossi Sigournea Greererpeton Pholiderpeton Deltaherpeton Elpistostegalia Qikiqtania Eoherpeton Brittagnathus Gaiasia Aversor Ectosteorhachis Heddleichthys Canowindridae Osteolepiformes Elginerpeton Colosteus Panderichthys Megalocephalus Platycephalichthys Loxomma Elginerpetontidae Diploradus Oestocephalidae Archeria (animal) Tristichopteridae Megalichthys Rhizo