Palaeodictyoptera

例句：

1. 1. Palaeodicyopteran fossils are often found in ancient rocks.
   古生物化石通常在古代岩石中被发现。
2. 2.Palaeodicyopteran dinosaurs were some of the first to appear on Earth.
   古生物恐龙是第一批出现在地球上的生物。
3. 3.Palaeodicyopteran scientists have made significant contributions to our understanding of evolution.
   古生物科学家对进化的理解做出了重大贡献。