Kirtlington_speciesAnoual_speciesCeltedensAlbanerpeton_arthridionAlbanerpeton_gracilisAlbanerpeton_galaktionAlbanerpeton_cifelliiAlbanerpeton_nexuosusAlbanerpeton_inexpectatumPaskapoo_speciesOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Gardner_2002a