Skip to content
Dino Codex

A dinosaur encyclopedia

Travel backto meet the dinosaurs

Look up facts, illustrations and stories about dinosaurs from around the world, including the species discovered in Thailand.

Genera
1,456
Found in Thailand
15
Dinosaur periods
3
TyrannosaurusAI image · 89%

Most popular

Tyrannosaurus

Tyrannosaurus rex · about 12 m long

Cretaceous

Dinosaur of the day

Dinosaur coloring pages →Free to print: T. rex, Triceratops and Thai dinosaurs

Dinosaur games

Learn while you play. Every game is built on real fossil data.

See all games →

Mesozoic Era

Browse by period

The Mesozoic Era has three periods. Pick one to see the dinosaurs that lived then.

See the timeline
  1. 251.9–201.4 million years agoTriassic84 genera
  2. 201.4–145 million years agoJurassic275 genera
  3. 145–66 million years agoCretaceous1,097 genera

Trending

Ranked by how often people around the world read each dinosaur's Wikipedia article over the last 12 months.

  1. Tyrannosaurus
    AI image · 89%1

    Tyrannosaurus

    1,087,681 views/year

  2. Spinosaurus
    AI image · 89%2

    Spinosaurus

    551,999 views/year

  3. Velociraptor
    AI image · 75%3

    Velociraptor

    439,419 views/year

  1. 4
    TriceratopsAI

    Triceratops

    392,857 views

  2. 5
    StegosaurusAI

    Stegosaurus

    391,749 views

  3. 6
    AllosaurusAI

    Allosaurus

    353,117 views

  4. 7
    ArchaeopteryxAI

    Archaeopteryx

    333,497 views

  5. 8
    GiganotosaurusAI

    Giganotosaurus

    308,416 views

  6. 9
    AnkylosaurusAI

    Ankylosaurus

    281,573 views

  7. 10
    BrachiosaurusAI

    Brachiosaurus

    275,954 views

  8. 11
    DilophosaurusAI

    Dilophosaurus

    271,660 views

  9. 12
    TherizinosaurusAI

    Therizinosaurus

    256,019 views

  10. 13
    DeinonychusAI

    Deinonychus

    233,138 views

  11. 14
    CarnotaurusAI

    Carnotaurus

    223,746 views

  12. 15
    ParasaurolophusAI

    Parasaurolophus

    222,601 views

  13. 16
    ArgentinosaurusAI

    Argentinosaurus

    218,943 views

  14. 17
    UtahraptorAI

    Utahraptor

    218,319 views

  15. 18
    BrontosaurusAI

    Brontosaurus

    217,595 views

  16. 19
    DiplodocusAI

    Diplodocus

    209,220 views

  17. 20
    PachycephalosaurusAI

    Pachycephalosaurus

    207,027 views

Source: English Wikipedia pageviews (excluding bots), Nov 1, 2025 – Oct 31, 2026, from Wikimedia Pageviews API · Check the numbers

Editor's picks

Genera with full write-ups: name meaning, size and fun facts.

See all