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Isosurface and virtual tooth sections of hexanchiform sharks. (A,B) †Hexanchus microdon (EMRG‐Chond‐T‐38; Hexanchidae, tooth section in frontal view). (C,D) †Notorynchus kempi (NHM_2006z0274/0001; Hexanchidae, tooth section in frontal view). (E) Chlamydoselachus anguineus [EMRG‐Chond‐T‐66; Chlamydoselachidae, tooth section in frontal (F) and sagittal view (G)]. en, enameloid; or, orthodentine; os, osteodentine; pc, pulp cavity.
