http://palaeo.gly.bris.ac.uk/Benton/reprints/2017Landon.pdf (dans le Triassique)
Fig. 5. Chondrichthyan denticles and vertebrae. (A and Placoid denticle type 1 (BRSUG 29385-18-2), surface (A) and anterior views (B). (C and D) Placoid denticle type 2 (BRSUG 29385-19-2), surface (C) and anterior views (D). (E and F) Placoid denticle type 3 (BRSUG 29385-20-2), surface (E) and anterior views (F). (G) Placoid denticle type 4 (BRSUG 29371-2-171-28-2) lateral view. (H–J) Dermal denticle A (BRSUG 29385-22), anterior (H), posterior (I) and surface views (J). (K and L) Dermal denticle B (BRSUG 29385-17). (M) Dermal denticle C (BRSUG 29371-2-171-32-2), surface view. (N and O) Hybodont denticle (BRSUG 29371-1-469-1), surface (N) and lateral views (O). (P and Q) Ctenacanthid scale (BRSUG 29371-1-470), surface (P) and anterior views (Q). (R) Chimaeriform denticle (BRSUG 29371-1-458), surface view. (S and T) Neoselachian vertebrae (BRSUG 29371-2-171-10-2), axial (S) and lateral views (T). All scale bars equal 0.5 mm.
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