Conodontiformes

例句：

1. 1. The discovery of these ancient creatures has sparked a new interest in paleontology.
   这些古代生物的发现激发了对古生物学的新兴趣。
2. 2.Conodonts are among the oldest known vertebrate groups, dating back millions of years.
   科诺多兽类是已知最古老的脊椎动物群体之一，可以追溯到数百万年前。
3. 3. Researchers have been studying these animals for decades, hoping to uncover more about their evolution.
   研究人员已经研究这些动物几十年了，希望了解更多关于它们的进化。