Paleonthropinae

例句：

1. 1. Paleontologists have discovered new species of dinosaurs in the fossil record.
   古生物学家在化石记录中发现了一些新的恐龙物种。
2. 2.The discovery of a new species of ammonite has sparked excitement among paleontologists.
   新种的鹦鹉螺的发现激发了古生物学家的兴趣。
3. 3.Paleontologists study the fossils left by ancient organisms to understand their evolution.
   古生物学家研究古代生物留下的化石，以了解它们的进化过程。