External morphology and polyps of Pseudochrysogorgia bellona A the colony after collection B–E a single polyp under a light microscope F, G a single polyp under SEM H head of one polyp under SEM I basal polyp body under SEM J coenenchyme under SEM. Scale bars: 10 cm (A), 1 mm (B–G), and 500 μm (H–J).