Rocks and Gems Canada

Did you know that crinoids were marine animals? Similar to today’s sea lilies, these 380-440 million year old beauties have survived several mass extinctions making them one of the most successful life forms of all time!

Check out this fun video of today’s crinoids to see what they look like in action:https://www.facebook.com/PADI/videos/10155132675388112/

Written by Rocks and Gems Canada — April 09, 2017

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