Palaeontology: The Cause of Jaws and Claws Gregory D. Edgecombe  Current Biology  Volume 27, Issue 16, Pages R807-R810 (August 2017) DOI: 10.1016/j.cub.2017.07.016 Copyright © 2017 Elsevier Ltd Terms and Conditions

Figure 1 Cambrian taxa resolved in the mandibulate stem-group and crustacean mandibles. (A) Canadaspsis perfecta, a bivalved arthropod from the Burgess Shale (image courtesy of Allison Daley). (B) Fuxianhuia protensa, an early Cambrian fuxianhuiid. (C) Boreomysis nobilis, a mysid crustacean, medial view of mandible, (mp) molar part. (D) Gnathophausia zoea, a lophogastrid crustacean, medial view of molar part of mandible (C,D images courtesy of Stefan Richter). Current Biology 2017 27, R807-R810DOI: (10.1016/j.cub.2017.07.016) Copyright © 2017 Elsevier Ltd Terms and Conditions