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TEXT ONLY VERSION
Monster quick link
Take a closer look at the monsters we've investigated
Pick a monster
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Iguanodon
Pterosaur
Sabre-tooths
Leedsichthys
Titanosaur eggs
Mammoths
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Home
Programmes
The team
What fossils tell us
Collecting fossils
Glossary
Timeline
Era
Period/epoch
Million years ago
Big Dig Fossils / Significant events
Holocene
0.01
Modern man
Pleistocene
2
Mammoths
Sabre tooths
Early hominids
Pliocene
5
Miocene
25
Oligocene
38
Eocene
55
Palaeocene
65
Cretaceous
144
Mass extinction at the end of the Cretaceous marks end of the 'Age of Reptiles' and the Mesozoic era
Pterosaur
Iguanadon
Leedsichthys
Titanosaur eggs
Jurassic
213
Triassic
248
Permian
286
Mass extinction at the end of the Permian wipes out 90% of species and marks the end of the Palaeozoic era
Carboniferous
360
Devonian
408
Silurian
438
Ordovician
505
Cambrian
590
Organisms with hard parts develop, so that the first common fossils begin to form about 550 million years ago
Precambrian
More than 1,000
Earliest multi-cellular organisms
3,850
Earliest single-celled organisms
4,600
Earth formed
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