FIGURE 4 in An early Cambrian pelago-benthic acorn worm and the origin of the hemichordate larva

FIGURE 4. SEM and SEM-EDX analyses of Cambrobranchus pelagobenthos from the Haiyan Lagerstätte of China. A–H, Soft-bodied tissue preservation of YKLP14532. A, A SEM micrograph showing the larva. B–H, Individual elemental maps. B, Iron. C, Sulfur. D, Carbon. E, Oxygen. F, Aluminum. G, Silicon. H, Potassium. I–P, Soft-bodied tissue preservation of YKLP14540. I, A SEM micrograph showing the larva. J–P, Individual elemental maps. J, Iron. K, Sulfur. L, Carbon. M, Oxygen. N, Aluminum. O, Silicon. P, Potassium. Scale bars equal 200 μm.