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Results from the FEA for Spekia zonata. (A–E) Stress and (F–J) strain. (A, B, F, G) Loaded with nominal force (4.36 N); (C, H) with 1 N; (D, I), with 0.5 N; (E, J) with 0.1 N. The scaling of stress and strain is identical in Figs. 5, 6, 7 and 8.