Megapiranha...
It may sound like a Sy-Fy movie (and in fact was),... ...ut dangerous piranhas we know, and had a relative bite force that would put T. rex to shame.The bite force of Megapiranha, which lived 10 million years ago,... ...d from the first field measurements of the biting force...
https://www.neatorama.com/2012/12/27/Megapiranha/
