fossilized bird skeleton

1200 × 900

Geological Time Spiral

1000 × 756

Ichthyosaur fossil in China

1280 × 1024

Archaeopteryx fossil

800 × 600

reconstruction of a hadrosaur

800 × 600

History of the Earth timeline

1162 × 2400

Dinosaurs in prehistoric landscape

2496 × 3582

fossilized dinosaur neck vertebrae

6970 × 5561

Dinosaurs hatching from eggs

2000 × 1125

Sapeornis fossil in Chinese museum

1280 × 1024

Prehistoric rhinoceroses in a lush landscape

5502 × 3084

Dinosaurs in prehistoric landscape

5400 × 1901