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Old 02-07-2017, 11:17 AM   #3
Dragonling
Quote:
Originally Posted by Thralni View Post
The question I'm asking, is how through evolution the snake lung came to be the mammalian lung.
It...didn't? Early synapsids emerged sometime in the early to mid Triassic where snakes are believed to have diverged from varanids in the mid Cretaceous. Common ancestry between any modern mammal and any modern squamate is pretty far removed.