How do dinosaur fossils form? | Natural History Museum

Published at : 17 Dec 2025

Watch our animation to find out how fossils form and why dinosaur fossils are rare compared to those of marine animals. Explore fossilisation in more detail: https://www.nhm.ac.uk/discover/how-are-fossils-formed.html

#NaturalHistoryMuseum #Dinosaur #Fossil
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00:00 This dinosaur s about to have a bad day!
00:21 What happened after a dinosaur died?
00:35 Layers of sand, ash, and mud cover the dinosaur over millions of years
00:56 Fossilisation
01:07 Ho do dinosaur fossils become exposed above ground?
01:43 Why are dinosaur fossils so rare?
02:20 Fossilised fighting dinosaurs
03:02 What other traces can be fossilised?