fossil fauna

例句：

1. 1. The discovery of ancient mammoth bones in the Arctic has sparked a new interest in prehistoric life.
   北极发现古代猛犸象骨骼引发了对史前生活新的兴趣。
2. 2.Fossil fauna is essential for understanding the evolution of life on Earth.
   化石动物群对于理解地球上生命演化至关重要。
3. 3.Researchers have been studying fossil fauna to learn more about the behavior and habitats of early humans.
   研究人员一直在研究化石动物群，以了解早期人类的行为和栖息地。