Encyclopedia of Life on Earth

From dinosaurs to modern animals, explore all living things

Popular Dinosaurs

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Cretaceous Period

Maiasaura

Maiasaura peeblesorum

Diet: Herbivore Size: 7~9m

Cretaceous Period

Yutyrannus

Yutyrannus huali

Diet: Carnivore Size: 7.5~9m

Cretaceous Period

Leaellynasaura

Leaellynasaura amicagraphica

Diet: Herbivore Size: 1.5~2m

Cretaceous Period

Saltasaurus

Saltasaurus loricatus

Diet: Herbivore Size: 8.5~12.8m

Cretaceous Period

Utahraptor

Utahraptor ostrommaysi

Diet: Carnivore Size: 5~7m

Cretaceous Period

Tapejara

Tapejara wellnhoferi

Diet: Omnivore Size: 0.5~0.7m

Cenozoic Era

Woolly Mammoth

Mammuthus primigenius

Diet: Herbivore Size: 2.8~4.5m

Jurassic Period

Megalosaurus

Megalosaurus bucklandii

Diet: Carnivore Size: 6~9m

Explore Categories

All Prehistoric Modern Life Microorganisms Alien Life

Explore Earth's past life, including dinosaurs, plesiosaurs, pterosaurs, mammoths, and trilobites.

Dinosaurs

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Explore dinosaurs that dominated Earth from the Triassic to the Cretaceous.

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Pterosaurs

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Compare the wings, sizes, and ecology of pterosaurs that ruled the skies.

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Plesiosaurs

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Dive into plesiosaurs, long-necked marine reptiles with powerful flippers.

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Marine Reptiles

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Meet ancient marine reptiles, from ichthyosaurs to mosasaurs.

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Mammoths

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Explore mammoths and other giants of the Ice Age grasslands.

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Synapsids

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Trace synapsids and early mammal-line evolution through deep time.

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Crocodilians

🐊

Compare ancient crocodilians with their remarkably persistent modern relatives.

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Trilobites

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Discover trilobites, armored icons of Paleozoic seas.

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Prehistoric Fish

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Follow aquatic evolution from early fish to giant prehistoric predators.

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Prehistoric Amphibians

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Study prehistoric amphibians that bridged life between water and land.

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Prehistoric Arthropods

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Explore giant arthropods and the smaller builders of ancient ecosystems.

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Prehistoric Mollusks

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Compare ammonites and other ancient mollusks by shells and habitats.

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Ediacaran Biota

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Meet the strange Ediacaran organisms that lived before the Cambrian.

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Prehistoric Plants

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Follow the rise of land plants and the spread of ancient forests.

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Prehistoric Insects

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Explore ancient insects, including giant dragonflies and early flyers.

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Prehistoric Birds

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Trace feathers and flight from dinosaurs toward birds.

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Prehistoric Chondrichthyans

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Compare ancient sharks and cartilaginous fish by jaws, fins, and predation.

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Precambrian Microbes

🧫

Explore Precambrian microbes and the earliest traces of life on Earth.

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1,000+

Prehistoric & Modern Life

📖

500+

Terms

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100+

Popular

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2+9

Languages

2+9 (more coming)

Recommended Films

Netflix

The Dinosaurs (Netflix)

Narrated by Morgan Freeman, 2026 Netflix documentary series. 165 million years of dinosaur history.

Watch on Netflix