The first major groups of amphibians developed in the Devonian period, around 370 million years ago, from lobe-finned fish which were similar to the modern coelacanth and lungfish. ... Ichthyostega was one of the first primitive amphibians, with nostrils and more efficient lungs.

Did amphibians evolve first?

The first amphibians evolved from a lobe-finned fish ancestor about 365 million years ago. They were the first vertebrates to live on land, but they had to return to water to reproduce. ... The first reptiles evolved from an amphibian ancestor at least 300 million years ago.

Did reptile or amphibian come first?

The first reptiles evolved from an amphibian ancestor at least 300 million years ago. They laid amniotic eggs and had internal fertilization. They were the first vertebrates that no longer had to return to water to reproduce.