zygodont

例句：

1. 1.The fossil record of the zygodont era is particularly rich in marine life.
   在合趾目时代，化石记录中特别丰富了海洋生物。
2. 2.The discovery of the first vertebrate zygodont has sparked a new understanding of early animal evolution.
   首次发现脊椎动物合趾目动物，引发了对早期动物进化的新理解。
3. 3.The zygodont teeth are unique in their ability to adapt to different environments and serve multiple functions.
   合趾目牙齿的独特之处在于它们能够适应不同的环境并执行多种功能。