60Cenozoic
Titanoboa
Titanoboa cerrejonensis
The largest known snake moved through hot tropical swamps after the dinosaurs vanished.
LIFE ARCHIVE
570 vanished lives
Browse extinct life from traces nearly 1.9 billion years old to historically recorded extinctions.
95Cenozoic
Megalania
Varanus priscus
The largest known terrestrial lizard was a giant relative of monitor lizards.
451Cenozoic
Carbonemys
Carbonemys cofrinii
A shell nearly two meters long came from hot wetlands soon after the dinosaur extinction.
452Cenozoic
Purussaurus
Purussaurus brasiliensis
A skull over a meter long belonged to a dominant Miocene caiman.
492Cenozoic
Champsosaurus
Champsosaurus gigas
Long jaws and a powerful tail let choristoderes retain a crocodile-like niche after the dinosaurs.
Explore geological time
Paleozoic
- Cambrian538.8–486.85 million years ago34 records ↗
- Ordovician486.85–443.1 million years ago12 records ↗
- Silurian443.1–419.62 million years ago14 records ↗
- Devonian419.62–358.86 million years ago41 records ↗
- Carboniferous358.86–298.9 million years ago61 records ↗
- Permian298.9–251.902 million years ago51 records ↗
Geography
Explore the atlas by continent, country and state. Follow fossil localities into regional guides, compare animals across time and return to the evidence in each species profile.
Dinosaurs by continent
Countries and states
- Dinosaurs Found in Utah: Jurassic Giants & Utahraptor4 atlas records ↗
- Dinosaurs Found in Colorado: Stegosaurus & Garden Park Fossils3 atlas records ↗
- Dinosaurs Found in California: Fossils & Local EvidenceLocal fossil evidence ↗
- Dinosaurs of the United States14 atlas records ↗
- Dinosaurs Found in Canada: Species, Fossils & Evidence7 atlas records ↗
- Dinosaurs of the United Kingdom5 atlas records ↗
- Dinosaurs Found in Texas1 atlas records ↗
- Dinosaurs Found in Montana4 atlas records ↗
- Dinosaurs Found in Argentina11 atlas records ↗
- Dinosaurs Found in China10 atlas records ↗
FIELD GUIDES
Field guides
Giants, strange body plans and lives within human memory. Follow a question into the atlas, then explore the animals behind it.
