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
![James Ducker on X: "Jawesome Helicoprion #fossil- with a sawblade as a mouth! Helicoprions aren't #sharks but ancient #ghostsharks 👻 pretty cewl 👍 #nature #biology #Shark #diversesharks #marinescience #science #SharkFacts https://t.co/HI4BxN2gr2" / James Ducker on X: "Jawesome Helicoprion #fossil- with a sawblade as a mouth! Helicoprions aren't #sharks but ancient #ghostsharks 👻 pretty cewl 👍 #nature #biology #Shark #diversesharks #marinescience #science #SharkFacts https://t.co/HI4BxN2gr2" /](https://pbs.twimg.com/media/DclG2KeWAA0DSyN.jpg:large)
James Ducker on X: "Jawesome Helicoprion #fossil- with a sawblade as a mouth! Helicoprions aren't #sharks but ancient #ghostsharks 👻 pretty cewl 👍 #nature #biology #Shark #diversesharks #marinescience #science #SharkFacts https://t.co/HI4BxN2gr2" /
![Amazon.com: Painting of a Great White Shark on a Blue Ocean Color Circular Saw blade by artist Jason Girard : Handmade Products Amazon.com: Painting of a Great White Shark on a Blue Ocean Color Circular Saw blade by artist Jason Girard : Handmade Products](https://images-na.ssl-images-amazon.com/images/I/811eqv8n6xL._AC_UL600_SR600,600_.jpg)
Amazon.com: Painting of a Great White Shark on a Blue Ocean Color Circular Saw blade by artist Jason Girard : Handmade Products
![the extinct shark Helicorpion who had a circular saw of teeth as its lower jaw : r/interestingasfuck the extinct shark Helicorpion who had a circular saw of teeth as its lower jaw : r/interestingasfuck](https://i.redd.it/rqs4vr9vhat61.jpg)
the extinct shark Helicorpion who had a circular saw of teeth as its lower jaw : r/interestingasfuck
![Paleontological Research Institution on X: "Come see The Buzz Saw Sharks of Long Ago— art, science, and humor about Helicoprion - the shark with the 360-degree spiral of teeth. https://t.co/8DJ0rsRQE3" / X Paleontological Research Institution on X: "Come see The Buzz Saw Sharks of Long Ago— art, science, and humor about Helicoprion - the shark with the 360-degree spiral of teeth. https://t.co/8DJ0rsRQE3" / X](https://pbs.twimg.com/media/DB08Gz8VoAAPLZ_.jpg)