[FairfieldLife] Helicoprion

[yifux...@yahoo.com [FairfieldLife]]

Bizarre shark, lived 290 MYA to 250 MYA (Permian and Triassic): Short video: 1 
min.
 

 https://www.youtube.com/watch?v=dkIxHpJT3bU 
https://www.youtube.com/watch?v=dkIxHpJT3bU