Radula, Laspionchis boucheti A–D Vietnam [5609] (ITBZC IM 00017) E, F holotype, Australia, Northern Territory [1688 H] (NTM P.57614). A Rachidian and innermost lateral teeth B lateral teeth with rachidian teeth C lateral teeth D outermost lateral teeth E rachidian and lateral teeth F lateral teeth. Scale bars: 10 μm (A) 30 μm (B, F) 50 μm (C) 20 μm (D) 40 μm (E). Abbreviations: 1llt first left lateral tooth 1rlt first right lateral tooth 2llt second left lateral tooth 2rlt second right lateral tooth bls basal lateral spine hlt hook of a lateral tooth mc median cusp phe posterior hook extension rt rachidian tooth.