We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePaired gill slits in a fossil with a calcite skeleton.AuthorsDominguez P; Jacobson AG; Jefferies RPPublicationNature, 2002, Vol 417, Issue 6891, p841ISSN0028-0836Publication typearticleDOI10.1038/nature00805