Xilousuchus (mar 12, 250000000 BC – jul 12, 200000000 BC)
Description:
This ancestor had a fin on its back had web feet so bascially survive in the water. This animal lived in mushy swamps in the waterways of Asia. Acording to fossil records the Xilousuchus had the same structure of the modern crocodile although everything might be a bit out of place but thats because this was in the late triassic and evolution was just starting to take its course.Added to timeline:
Date:
mar 12, 250000000 BC
jul 12, 200000000 BC
~ 5883516 years