typodont

例句：

1. 1. The typodont fossils are a testament to the ancient life on Earth.
   这种古生物化石是地球古代生命的见证。
2. 2. The discovery of typodont fossils has sparked new research into the history of lifeon Earth.
   发现这种古生物化石引发了对地球生命历史的新研究。
3. 3.The typodont fossils are being studied by scientists to better understand the evolution of life on Earth.
   科学家们正在研究这些古生物化石，以更好地理解地球上生命的发展。