Man discovers rare Megalodon shark tooth buried under mud. Watch

A man found the tooth of a Megalodon, an incredibly massive shark that went extinct over 2.5 million years ago..

The video of his discovery was shared on social media..

Since being posted, it has caught the attention of many.o)..

This shark was 50+ feet long, lived about 10 million years ago and never ate a meal with this tooth," reads the caption shared by the Instagram handle SHRKco..

An individual wrote, "A tooth the size of your hand man, can't even imagine how big they boys must have been..