Amphibians (about 360 MYA)
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Some kinds of amphibians are frogs, salamanders, newts, and toads. The first fishes to develop lungs were the lobe-finned fishes called Crossopterygians and the lungfishes called Dipnoans.
The Crossopterygians are considered to be the ancestors to land animals.
The Crossopterygians had evolved "land animal-like features":
· A more impervious skeleton
· Enhanced nostril development
· Leg-like bone features in their fins.
The Crossopterygians are considered to be the ancestors to land animals.
The Crossopterygians had evolved "land animal-like features":
· A more impervious skeleton
· Enhanced nostril development
· Leg-like bone features in their fins.
Reptiles (about 300 MYA)
![Picture](/uploads/2/5/8/6/25868552/118265343.jpg)
Reptiles have scaly skin and lay eggs with tough leathery skin. Paleontologists discovered 318 million-year-old reptilian footprints on the sea cliffs in the Bay of Fundy, which is in the Canadian province of New Brunswick. Although the prints are now right on the water, that wasn't the case 318 million years ago, when that location would have been hundred of miles from the nearest coastline. These footprints are easily the oldest proof of vertebrates found far, far away from the ocean.