FIGURE 6. Ophidiaster guildingi Gray, 1840. A in Asteroidea (Echinodermata) from shallow-waters of the remote oceanic archipelago Trindade and Martin Vaz, southeastern Atlantic, with taxonomic and zoogeographical notes

FIGURE 6. Ophidiaster guildingi Gray, 1840. A. Specimen from Trindade Island photographed in situ (MZUSP 1560). B–I. MZUSP 1580: B, C. Abactinal and actinal views. D. Abactinal plates and papulae. E. Detail of the madreporite. F. Mouth. G. Ambulacral spines. H. Tip of the arm, abactinal view. J–O. Scanning electron microscope (MZUSP 1570). J, K. Ambulacral plates. L–N. Abactinal plates. O. Oral plate. Scale bars: B–C, 10 mm; D–I, 1 mm; J–O, 200 μm.