When Whales Walked: Journeys in Deep Time

Crocodile Ancestors

Clip | 2m 59s

Scientists are now discovering the earliest ancient crocodiles by tracing one branch of the vast tree of life 230 million years into the geologic period called the Triassic. And they looked nothing like the crocs alive today.

Aired: 06/19/19

Rating: TV-PG

Video has closed captioning.

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A Shining Red Production in association with Twin Cities Public Television, Inc.