Learn about the time period that took place 65 to 23 million ... appearance of whales in the mid- to late Paleogene. The huge animals evolved from land mammals that took to the seas.
28m
Interesting Engineering on MSNMammals moved to land before dinosaur-killing asteroid struck 66 million years agoThe researchers focused on bone articular fragments from therian mammals, a group that includes modern marsupials and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results