Radula, Wallaconchis ater, Indonesia (A–B) Bali [3137] (UMIZ 00053) (D) Sulawesi [2330] (UMIZ 00039) (C, E–F) Sulawesi [2220] (UMIZ 00050). A Rachidian and innermost lateral teeth, scale bar 20 μm B Rachidian and left innermost lateral teeth, scale bar 30 μm C Rachidian and innermost lateral teeth, scale bar 50 μm D Rachidian and right innermost lateral teeth, scale bar 50 μm E Outermost lateral teeth, scale bar 10 μm F Transition between inner lateral teeth and outer lateral teeth, scale bar 40 μm.