Abstractza Science 20 March 2009: Vol. 323. no. 5921, pp. 1597 - 1600 DOI: 10.1126/science.1169514 The Burgess Shale Anomalocaridid Hurdia and Its Significance for Early Euarthropod Evolution -- Allison C. Daley, Graham E. Budd, Jean-Bernard Caron, Gregory D. Edgecombe3,et al. Daley et al. 323 (5921): 1597 -- Science http://sciencemag.org/cgi/content/abstract/323/5921/1597