Figure 9. Pentaceraster alveolatus USNM E37286 a in A new species of Astrosarkus from Western Australia including new Mesophotic occurrences of Indian Ocean Oreasteridae (Valvatida, Asteroidea)

Figure 9. Pentaceraster alveolatus USNM E37286 a, Abactinal view. Scale bar=2.0 cm; b, Abactinal-lateral view showing degree of spination along arm. Scale bar=0.5 cm; c, Abactinal-lateral view showing spination and superomarginal surface. Scale bar=0.5 cm; d, Actinal-lateral view showing marginal spination. Scale bar=0.5 cm; e, Actinal view. Scale bar=2.0 cm; f, Closeup of oral region and ambulacral spination. Scale bar=0.5 cm.