Eusthenopteron_foordiAcanthostega_gunnariAdelogyrinus_simorhynchusAnthracosaurus_russelliArcheria_crassidiscaAriekanerpeton_sigaloviBalanerpeton_woodiBaphetes_kirkbyiBruktererpeton_fiebigiCaerorhachis_bairdiCasineria_kiddiCrassigyrinus_scoticusDendrerpeton_acadianumDiscosauriscus_austriacusEoherpeton_watsoniEucritta_melanolimnetesGephyrostegus_bohemicusGreererpeton_burkemoraniIchthyostega_stensioeiLoxomma_allmanniMegalocephalus_pachycephalusMicrobrachis_pelikaniPaleothyris_acadianaPederpes_finneyaePholiderpeton_scutigerumProterogyrinus_scheeleiPtyonius_marshiiSaxonerpeton_geinitziSeymouria_baylorensisSilvanerpeton_miripedesUtegenia_shpinariWestlothiana_lizziaeWhatcheeria_deltaeOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Ruta_et_Clack_2006a