Evidence for a Grooming Claw in a North American Adapiform Primate: Implications for Anthropoid Origins Maiolino, Stephanie ; Boyer, Doug M. ; Bloch, Jonathan I. ; Gilbert, Christopher C. ; Groenke, Joseph Abstract Publication: PLoS ONE Pub Date: January 2012 DOI: 10.1371/journal.pone.0029135 Bibcode: 2012PLoSO...729135M