Approximately 365 million years ago, one group of fishes left the water to live on land. These animals were early tetrapods, a lineage that would radiate to include many thousands of species including amphibians, birds, lizards and mammals. Human beings are descendants of those early tetrapods, and we share the legacy of their water-to-land transition.
Click here for original story, Meet Qikiqtania, a fossil fish with the good sense to stay in the water while others ventured onto land
Source: Phys.org