DRIVEN TO EXTINCTION. BACK FOR REVENGE.
After being driven to extinction, great, bloodthirsty dinosaurs come back to life with the assistance of a demented genetic scientist. She plans to replace the human race with a super-race of dinosaurs who will not pollute the planet.
Sbarge is as good a reason as any to search this out. You don’t watch Carnosaur for the fantastic practical dinosaur FX. ;)