Osteolepididae Sarcopterygii Phyllospondyli Zachelmie trackways Doragnathus Polydactyly in stem-tetrapods Tungsenia Stem tetrapoda Notorhizodon Sinostega Ymeria Ossirarus Mesanerpeton Holospondyli Livoniana Perittodus Phlegethontioidea Eobaphetes Bogdanovia Megadonichthys Megapomus Rachitomi Kyrinion Gooloogongia Jarvikina Hyneria Hongyu Eotetrapodiformes Koharalepis Oestocephalus Parmastega Eusthenodon Gephyrostegus Megistolepis Screbinodus Antlerpeton Andersonerpeton Gyroptychius Pteroplax Litoptychus Marsdenichthys Seroherpeton Crassigyrinus Muranjilepis Batrachomorpha Sauripterus Metaxygnathus Barameda Chrysolepis orlensis Proterogyrinus Cladarosymblema Phlegethontiidae Latvius Glyptopo…

omus Megalichthyiformes Papposaurus Beelarongia Baphetoidea Mahalalepis Tristichopterus Neopteroplax Eucritta Adelospondyli Ichthyerpeton Phlegethontia Dolichopareias Deltaherpeton Langlieria Palaeomolgophis Ichthyostegalia Obruchevichthys Anthracosaurus Jakubsonia Lethiscus Aytonerpeton Eusauropleura Baphetes Ossinodus Coloraderpeton Leptophractus Edenopteron Cabonnichthys Devonosteus Pseudophlegethontia Letognathus Spondylerpeton Densignathus Megalichthyidae Colosteidae Pholiderpeton Greererpeton Sigournea Baphetidae Thursius Calligenethlon Strepsodus Adelogyrinus Ventastega Pala

eospondylus Whatcheeria Bruktererpeton Mandageria Tulerpeton Carbonoherpeton Sillerpeton Kenichthys Eoherpeton Brittagnathus Ectosteorhachis Heddleichthys Aversor Gaiasia Ophiderpeton Megalichthys Tristichopteridae Diplovertebron Occidens portlocki Canowindra grossi Gogonasus Osteolepiformes Colosteus Elginerpeton Loxomma Oestocephalidae Archeria (animal) Elginerpetontidae Diploradus Elpistostegalia Qikiqtania Tantallognathus Rhizodus Archichthys Osteolepis Cryptolepis grossi Adelospondylus Palaeoherpeton Canowindridae Megalocephalus Panderichthys Pholidogaster Rhizodontida Acanthostega Hynerpeton