Cervid tooth histology. a) Senescent Megaloceros specimen PIMUZ A/V 2235. Left mandible in lateral view. Black bar indicates plane of sectioning. Scale bar, 50 mm. b) Tooth cementum of same specimen showing 19 rest lines (white arrows). Scale bar, 0.5 mm. c) Tooth cementum of the upper first molar of Candiacervus sp. II (PIMUZ A/V 5241) showing 18 rest lines (black arrows). CDJ = Cementum-dentine junction. Scale bar, 0.5 mm. Direction of cementum apposition to the bottom.