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Starch grains recovered from the dental calculus from Shanidar III. The Upper image of each pair shows the starch under brightfield light, and the Lower image shows it under cross-polarized light. Each box is 50 μm on a side. (A and B) Type 2. (C and D) Type 3. (E and F) Type 4. (G and H) Probable legume (Fabaceae) starch. (I and J) Possible underground storage organ starch. Each box is 50 μm on a side.
