Dinosaur Classifications

Dinosaur clades and classification hierarchy.

Ankylosauria

Fused lizards

Thyreophora

Ceratopsia

Horned faces

Ornithischia

Dromaeosauridae

Raptors

Theropoda

Hadrosauridae

Duck-billed dinosaurs

Ornithischia

Ornithischia

Bird-hipped dinosaurs

Ornithomimosauria

Bird-mimic dinosaurs

Theropoda

Pachycephalosauria

Thick-headed lizards

Ornithischia

Saurischia

Lizard-hipped dinosaurs

Sauropoda

Lizard feet

Sauropodomorpha

Sauropodomorpha

Lizard-footed forms

Saurischia

Spinosauridae

Spine lizards

Theropoda

Stegosauria

Plated dinosaurs

Thyreophora

Theropoda

Beast feet

Saurischia

Thyreophora

Shield bearers

Ornithischia

Tyrannosauridae

Tyrant lizards

Theropoda