Iguanodon bernissartensis, tooth in matrix Compsognathus 10x8 inch slab of matrix

10x8 inch slab of matrix

and described by R

allowing it to stab its victims with its incisors

Ichthyostega possessed lungs and limbs that helped it navigate through shallow water in swamps

Iguanodon bernissartensis, tooth in matrix Compsognathus 10x8 inch slab of matrixIguanodon was named in 1825 by English geologist Gideon Mantell. Iguanodon was the second type of dinosaur formally named based on fossil specimens, after Megalosaurus. Together with Megalosaurus and Hylaeosaurus, it was one of the three genera originally used to define Dinosauria. Notice the serrations on this tooth. Iguanodon were bulky herbivores that could shift from bipedalism to quadrupedal. The only well supported species, Iguanodon.