Extraordinary 161-million-year-old Stegosaurus to go up for auction at Sotheby's

Discovered in May 2022 in Colorado’s Morrison Formation, "Apex" is touted as the most complete Stegosaurus ever found, with 79% of its bones intact.

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00:00In terms of stegosauruses, this is an incredibly rare animal, there are only eight or nine

00:17known in the world.

00:19The estimate on this is four to six million.

00:22Now, a stegosaurus of this caliber has never sold at auction before, so we will find out

00:29what it is actually worth.

00:36This small detail here, which I think most people would overlook, tells us about how

00:40this animal died.

00:42This here is a tail chevron, it's one of the spikes on the bottom side of the tail.

00:50The animal was found with the tail curled up underneath the body, which is a common

00:57death pose for animals, you know, dogs, cats, when they're going to die they're going to

01:01curl up.

01:02This dinosaur did the same thing.