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SEM images of the jaws of A–C Hirudinaria javanica CUMZ 3404 from Nakhon Phanom D–F Hirudinaria manillensis CUMZ 3403 from Nakhon Phanom, and G–I Hirudinaria sp. CUMZ 3405 from Nakhon Phanom. (A, D, G) overall jaw, (B, E, H) each jaw characteristic, and (C, F, I) salivary papillae.
