Fig. 9From: ‘Arm brains’ (axial nerves) of Jurassic coleoids and the evolution of coleoid neuroanatomyVampyronassa rhodanica Fischer & Riou, 2002, MNHN.F. R03801. A Photograph by P. Loubry, reproduced with permission, CR2P. B PPC-SRμCT (ESRF, ID 19, voxel size 25 µm) slice of arm crown showing axial nerve in the centre of the arm crown (coronal view). The suckers are also visible. C Cross section of the arm crown. Arrow is pointing to the axial nerve seen in bBack to article page