Eons - Season 1 - Eps 11: The Strange Case of the Buzzsaw Jaws
There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.
About Eons

Title: Eons
First Air Date: 2017-06-26
Last Air Date: 2022-10-14
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 7
Total Episodes: 246
Network: PBS Digital Studios YouTube
Genres: Documentary
Production Companies: PBS Digital Studios
Synopsis
Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age. The evolutionary history of mammals including humans and other modern species is explored with these amazing paleontology experts.
Cast

Kallie Moore
Self

Blake de Pastino
Self

Michelle Barboza-Ramirez
Self