We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePrimitive Early Eocene bat from Wyoming and the evolution of flight and echolocation.AuthorsSimmons NB; Seymour KL; Habersetzer J; Gunnell GFPublicationNature, 2008, Vol 451, Issue 7180, p818ISSN1476-4687Publication typearticleDOI10.1038/nature06549