A "basal" tetanuran from the Lower Cretaceous Kirkwood Formation of South Africa Forster, Catherine A. ; Farke, Andrew A. ; Mccartney, Jacob A. ; De Klerk, William J. ; Ross, Callum F. Abstract Publication: Journal of Vertebrate Paleontology Pub Date: March 2009 DOI: 10.1671/039.029.0101 Bibcode: 2009JVPal..29..283F