Figure 8 in Four new species and one new genus of zoanthids (Cnidaria, Hexacorallia) from the Galapagos Islands

Figure 8. Cross-sections of Terrazoanthus onoi sp. n., MISE specimen 03-539 (details in Table 1) a Crosssection at the actinopharynx region demonstrating some major features of zoanthids. Note fifth mesentery is complete and therefore specimen is in the suborder Macrocnemina b to e various cross sections of T. onoi at the actinopharynx region showing preserved histological features. Abbreviations: a=actinopharynx, cm=complete mesentery, dd=dorsal directives, ds=dissolved sand "holes", ec=ectoderm, en=endoderm, im=incomplete mesentery, m=mesoglea, numbers=mesentery numbers from the dorsal directive, sm=sphincter muscle, 5th=fifth mesentery. Scales = a) 500 µm, b) and e) 100 µm, c) and d) 50 µm.