We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins.AuthorsBrazeau MDPublicationNature, 2009, Vol 457, Issue 7227, p305ISSN1476-4687Publication typearticleDOI10.1038/nature07436