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National Fossil Day

National Fossil Day

© J Nemchinova/Getty Images

How do we know what Earth looked like long before humans appeared? Fossils provide many clues. National Fossil Day celebrates paleontology and the discoveries that help scientists reconstruct past environments, trace the evolution of life, and learn about creatures that vanished millions of years ago. From dinosaurs to tiny marine organisms, these remnants of the past preserve snapshots of ancient worlds that no longer exist.

Ammonite fossils from the Jurassic Period

今日は鉄道の日

Ammonitenfossilien aus der Jurazeit

Fossiles dammonites du Jurassique

Fósiles de amonites del Jurásico

O Jurássico mandou lembranças

Ammonite fossils from the Jurassic Period

Brown bear in Lake Clark National Park and Preserve, Alaska, USA

Ammonite fossils from the Jurassic Period

穿越时间的螺旋

Spirali nel tempo

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