Juvenile of a small, prehistoric mammal relative with sharp teeth and horny projections on its head

Massive, prehistoric mammal relative with a small head and protruding lower jaw

Massive, prehistoric mammal relative with a small head and protruding lower jaw

Massive, prehistoric mammal relative with a small head and protruding lower jaw

Massive, prehistoric mammal relative with a small head and protruding lower jaw

Juvenile of a massive, prehistoric mammal relative with a small head and protruding lower jaw

Prehistoric reptile with a flat, armored back and long head

Prehistoric reptile with a flat, armored back and long head

Prehistoric reptile with a flat, armored back and long head

Prehistoric reptile with a flat, armored back and long head

Prehistoric reptile with a flat, armored back and long head

Large four-legged dinosaur from the Jurassic with a neck shield and three horns

Large four-legged dinosaur from the Jurassic with a neck shield and three horns

Large four-legged dinosaur from the Jurassic with a neck shield and three horns

Large four-legged dinosaur from the Jurassic with a neck shield and three horns

Large four-legged dinosaur from the Jurassic with a neck shield and three horns

Largest land predator dinosaur known to date with impressive dorsal crest and long skull with pointed teeth

Largest land predator dinosaur known to date with impressive dorsal crest and long skull with pointed teeth

Largest land predator dinosaur known to date with impressive dorsal crest and long skull with pointed teeth

Largest land predator dinosaur known to date with impressive dorsal crest and long skull with pointed teeth

Largest land predator dinosaur known to date with impressive dorsal crest and long skull with pointed teeth

Slender predatory dinosaur from the Lower Jurassic with two bony crests on its head

Slender predatory dinosaur from the Lower Jurassic with two bony crests on its head

Medium-sized herbivorous dinosaur with a thick cranial ridge