sentences:  Another specimen was found later (MNN GAD17) belonging to an adult, which had both the skull and much of the postcranial skeleton.Differences in the skull indicate that the unusual broad, flattened shape developed as the animal grew older.In the initial description of "Anatosuchus", it formed a clade with "Comahuesuchus", within a less inclusive Notosuchia, also found to be monophyletic.