Liopleurodon, tooth Carnataurus although such teeth are known

although such teeth are known from other crocodyliform lineages

The other polymorph is the mineral calcite

and was almost opposite

relatively broad

Ammonites are similar to today�s nautilus

Liopleurodon, tooth Carnataurus although such teeth are knownLiopleurodon (pronounced LIE oh PLOOR oh don) (meaning "smooth sided tooth") was the biggest plesiosaur, up to 39 49 feet (12 15 m). It had a long body with a large head, a short neck, powerful jaws and teeth, and four long, wide, strong flippers. The skull was 10 feet (3 m) long. Fossils were found in England, France, Germany, and eastern Europe. It lived during the late Jurassic period. Liopleurodon was not a dinosaur, but another type of extinct