iridescent ammonite fossil

1600 × 1200

Ammonite fossil specimen

3888 × 2592

Ammonite fossil cross-section

2400 × 2003

fossilized ammonite shell

1280 × 960

Agate Stone Cross-section — Red

1500 × 938

island cross-section diagram

800 × 655

Slice of Island on Plate — White, Serene, Afternoon

1920 × 1200

wood slice with growth rings

1768 × 1635

Fossilized Ammonite Shell — Brown

1200 × 801

fossilized ammonite in rock

5040 × 1050

Iridescent ammonite fossil

1920 × 1080

man with fossil specimen

1161 × 1183