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Figure 4. A. Live Lissodiadema lorioli collected in the Verde Island Passage, spines undisturbed and fully spread. 
B. Same specimen as in A showing extreme flexibility of very fine primary spines. C. Aboral view of Prionechinus forhe- 
sianus collected in the Verde Island Passage aboard the M/V “DA-BFAR”. D. Oral view of specimen in C. E. Oral surface 
of live specimen oiPlesiozonus hirsutus with two ophiuroids among spines in ambulacra flanking plastron. Mouth of echi- 
noid is to left. Mouths of both ophiuroids are directed downwards away from echinoid and towards substrate. F. Photograph 
using flash of live Chaetodiadema granulatum showing pattern of iridophores on aboral surface. Scale bars in A, B, E, and 
F 10 mm long, bars in C and D 1 mm long. 
