Tyrannosaurus rex dinosaur

1280 × 1024

Masaiakasaurus dinosaur

1024 × 768

Herrerasaurus in Triassic forest

1280 × 1024

Fossilized snake in rock

800 × 600

Dinogorgon skull in South Africa

1280 × 1024

Triceratops horridus

1280 × 1024

Lesothosaurus dinosaur model

1280 × 1024

Prehistoric swamp scene

1280 × 1024

Prehistoric swamp landscape

3630 × 2490

Prehistoric swamp landscape

3612 × 2496

Dinosaurs in a prehistoric swamp

1440 × 900

Tyrannosaurus rex fossil skeleton

1280 × 960