Fish Evolution: What Era Did Fish Develop and Their Journey as Vertebrates
Fish developed around 530 million years ago during the Ordovician period. Pikaia is one of the first known fish. Haikouichthys is recognized as one of the earliest vertebrate organisms. These species mark important milestones in the evolution of fish. The Devonian Period, often referred to as the “Age of Fishes,” was crucial for fish evolution. … Read more