Fig. 3
Some cephalopod jaws from the Maastrichtian of continental Greece. Note the halos (light grey) around all specimens. Black areas indicate the presence of sclerotized sheets. Middle grey areas indicate surfaces where the dark coating was very thin or broke off. a, b Slab and counterslab showing the apatitic remains of ammonitin upper jaws; SGL1_4b,a. c Lower jaw of a cephalopod, maybe an ammonite anaptychus, remotely resembling the lower jaw of Vampyroteuthis; SGL1_34. d, e Lower jaw of a teudopsein coleoid; SGL1_22a,b. f, g Lower jaw of a teudopsein coleoid; SGL1_35a,b