No, a helicoprion is an extinct fish.
A helicoprion shark is an extinct species of cartilaginous fish. It is mostly known for its rolled up jaw which contained many sharp, dangerous teeth. It grew anywhere from 13 to 25 ft. long and weighed from 500 to 1,000 pounds. Go to google and look it up.
It is not known specifically why the Helicoprion because extinct. It is thought that they became extinct in the Triassic period.
anything it wanted to........ basicly all of the marine animals.
t-rex is definatly not it, it isCretaceous or the Helicoprion
all of the oceans
Yes They Were Real But Their now Extinct they lasted for a few Million Years.
Helicoprion ("Spiral Saw") was a long-liced genus of shark-like cartilaginous fish that fist arose in the oceans of the late Caboniferous 280 million years ago, survied the Permian-Triassic Extiction Event, and eventually went extinct during the early Triassic some 225 million years ago. The only known fossils are the teeth, which were arranged in a fantastic "tooth-whorl" strongly reminiscent of a circular saw. http://en.wikipedia.org/wiki/Helicoprion
This fish is known for its very strangely shaped lower jaw and is believed to have inhabited the earth 310 million years ago.
Yes they are real. They were first on earth 280 million years ago and then went extinct 225 million years ago.
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