Pelagosaurus measured 3 m ( 10 ft ) in length with a weight of 450 kg ( 1000 lbs ) .
Was markedly similar to the modern - day gharial , which has similar adaptions and carnivorous feeding habits .
Pelagosaurus measured 3 m ( 10 ft ) in length with a weight of 450 kg ( 1000 lbs ) , and was markedly similar to the modern - day gharial , which has similar adaptions and carnivorous feeding habits .