Heterodontoidea

例句：

1. 1. The discovery of this species has expanded our understanding of the diversity of marine life.
   这一物种的发现扩大了我们对海洋生物多样性的理解。
2. 2. Heterodontoidea is a group of extinct reptiles that lived during the Devonian period.
   异齿兽目是一组已灭绝的爬行动物，生活在二叠纪时期。
3. 3. The study of heterodontoids has led to new insights into the evolution of vertebrates.
   对异齿兽目的研究为脊椎动物的进化提供了新的见解。