Glossopteris Leaves, replica Posters Spinosaurus was the biggest of

Spinosaurus was the biggest of all the carnivorous dinosaurs

Its jaw movements were propalinal (front to back)

Its discovery was announced by H

often near a plant eating dinosaur carcass that served as a feast for the giant Cretaceous predator

Glossopteris Leaves, replica Posters Spinosaurus was the biggest ofGlossopteris meaning "tongue" because the leaves are tongue shaped, is the largest and best known genus of an extinct Permian order of seed ferns. Species of Glossopteris were widespread over the supercontinent of Gondwana during the Permian epoch, where they formed the dominant component of high latitude polar forests. Glossopteris fossils were critical in recognizing former connections between the various fragments of Gondwana: South America,