FIGURE 8 in A new species of Diadema (Echinodermata: Echinoidea: Diadematidae) from the eastern Atlantic Ocean and a neotype designation of Diadema antillarum (Philippi, 1845)

FIGURE 8. NHMTFMCBMEQ/00233, paratype of Diadema africanum. Ambulacral spines (A–G): A–C, proximal, medium and distal parts of an ambulacral spine respectively; D, entire ambulacral spine; E–G, proximal, medium and distal ambulacral spine transverse sections respectively. Interambulacral spines (H–L): H–J, proximal, medium and distal parts of an interambulacral spine respectively; K, entire interambulacral spine; L–N, proximal, medium and distal interambulacral spine transverse sections respectively.