Tritylodon

例句：

1. 1. The fossils of Tritylodon are still found in the rock layers of the area.
   三叶虫的化石仍然在该地区的岩石层中被发现。
2. 2. Tritylodon is a type of ancient marine creature that lived during the Cambrian period.
   三叶虫是一种古老的海洋生物，生活在寒武纪时期。
3. 3. The discovery of Tritylodon has shed new light on the evolution of marine life.
   发现三叶虫为海洋生物的进化提供了新的见解。