Carnivorous species like Tyrannosaurs were among the most "damaging, efficient" biters despite having less teeth, Herrerasaurus, Carcharodontosaurus, and Ceratosaurus relied mainly on the back teeth to bite.

Meanwhile, Prince Philip toured the ground floor where he paused at length under the skeleton of a Ceratosaurus - a giant carnivorous dinosaur.

Prince Philip toured the ground floor where he paused under the skeleton of a Ceratosaurus - a giant carnivorous lizard with a distinctive horn on its nose.

The nameless dinosaur was made in his spare time by Pete Spring, who works in the museum's design department, from hundreds of pieces of recycled copper pipe and modelled on the North American Jurassic dinosaur Ceratosaurus.

A Mini Dig Kit ($2.50) comes with a dinosaur model (T-rex, raptor, ceratosaurus, galliminus, ankylosaur, or triceratops) encased in an egg-shaped block and a plastic scraping tool to free it for play or display.