Volume I · Mesozoic field notes

The Mesozoic, end to end.

39 taxa pinned to the slice of deep time they actually walked. Arranged into the three great branches of the dinosaur family. Hover for the silhouette, click for the specimen card.

161 Ma — earliest·66 Ma — latest·prefer an A–Z list

Triassic

Jurassic

Cretaceous

Cenozoic

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Theropoda

predators & ancestors of birds · 14 taxa

Allosaurus

North America (Morrison Formation)

Archaeopteryx

Europe (Germany)

Utahraptor

North America (Utah)

Microraptor

Deinonychus

Giganotosaurus

South America (Argentina)

Spinosaurus

Troodon

Oviraptor

Asia (Mongolia)

Velociraptor

Carnotaurus

South America (Argentina)

Gallimimus

Asia (Mongolia)

Tyrannosaurus

Western North America

Tyrannosaurus rex

Tyrannosaurus rex

Western North America (Hell Creek)

Sauropodomorpha

long-necked giants · 7 taxa

Mamenchisaurus

Camarasaurus

Brachiosaurus

Diplodocus

North America (Morrison Formation)

Apatosaurus

South America (Argentina)

Argentinosaurus

Argentinosaurus

South America (Argentina)

Ornithischia

armoured & horned herbivores · 18 taxa

Tuojiangosaurus

Tuojiangosaurus

Kentrosaurus

Africa (Tanzania)

Stegosaurus

North America (Morrison Formation)

Iguanodon

Hadrosaurus

Centrosaurus

Euoplocephalus

Lambeosaurus

Parasaurolophus

Parasaurolophus

Protoceratops

Asia (Mongolia)

Styracosaurus

Edmontosaurus

Pachyrhinosaurus

Pachyrhinosaurus

Pachycephalosaurus

Pachycephalosaurus

Ankylosaurus

Western North America

Triceratops

Western North America (Hell Creek)

Stygimoloch

Scroll horizontally on narrow screens. Times in millions of years (Ma).