Evolution's Only Failed Marine Mammal

Marine mammals are all around us, whales, seals, manatees, the list goes on and these lot have been a staple of the earth for tens of millions of years. However, it turns out that there used to actually be even more of these guys, as there is one (and only one) marine mammal order that no longer lives, and you probably have never even heard of it.

If you want more 🦖:
The coolest stuff ever: extinctzoo.org
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0:00 The 3 Living Marine Mammal Orders
2:09 The Only Extinct Marine Mammals
3:04 Origins and Strange Classification
5:15 Weird Teeth and Swimming Capabilities
8:00 The Most Unique Feeding Stat Ever
9:33 Water Bois & Super Water BOIS
10:29 The Largest Species
12:09 Range and Diversification
13:24 Death by... Manatee?

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