The Earth Was Their Planet.

Exploring the mysteries of the Mesozoic Era's rulers, the dinosaurs.

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Many dragons once roamed the Earth.
They appeared 230 million years ago and vanished 66 million years ago.

While much about dinosaurs remains a mystery, new discoveries and advances in modern research have revealed a great deal.
Let's learn about dinosaurs.

Dinosaur Study

What is a Dinosaur?

  • Definition and Characteristics
  • The Era of Dinosaurs
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Types & Classification

  • Classifying Dinosaurs
  • How Many Species Were There?
  • What are Feathered Dinosaurs?
  • ...etc
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Life & Ecology

  • What Did Dinosaurs Eat?
  • Dinosaur Lifespans
  • Dinosaur Parenting
  • ...etc
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Others

  • Dinosaurs Discovered in Japan
  • Why Did Dinosaurs Go Extinct?
  • Distinguishing Male & Female
  • ...etc
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Illustrated Encyclopedia

Search by Type

  • Saurischia / Theropoda
  • Saurischia / Sauropodomorpha
  • Ornithischia / Marginocephalia
  • Ornithischia / Thyreophora
  • Ornithischia / Ornithopoda
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Search by Period

  • Triassic Period
  • Jurassic Period
  • Cretaceous Period
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Search by Genus Name

Find dinosaurs alphabetically by genus name.

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Other Prehistoric Life

Invertebrates

  • Arthropods
  • Molluscs
  • Echinoderms
Learn More

Vertebrates

  • Fish & Amphibians
  • Reptiles
  • Synapsids & Mammals
Learn More

Columns

All Columns

We periodically post columns on various topics related to dinosaurs and prehistoric life.

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