Figure 7. (1, 2) SEM images of Form D; (3–6) possible exuviae; (7–11) disassociated small shelly fossils from the lower Cambrian Xinli section. (1) NIGP160443; (2) enlargement of area in white rectangle in (1); (3) NIGP160444; (4) NIGP160445; (5) NIGP160446; (6) enlargement of area in white rectangle in (5); (7) NIGP160447; (8) NIGP160448; (9) NIGP160449; (10) NIGP160450; (11) NIGP160451. ls = large spinose sclerite; spl = small plate. (1, 3–5, 7–11) Scale bar = 500 μm; (2) scale bar =194 μm; (6) scale bar = 115 μm.