Score0 votes—
Sign in to save your ratingLoading the marquee…

Documentary
Five times, Earth has faced apocalyptic events that swept nearly all life from the face of the planet. What did these prehistoric creatures look like? What catastrophes caused their disappearance? And how did our distant ancestors survive and give rise to the world we know today?
Kirk JohnsonActor · Self - Paleontologist and Director, SmithsonianCommunity
Discuss Prehistoric Worlds. By default, replies in a topic go to the original poster; use a message’s Reply button to reply to someone specific.
Sign in to post in the forum.