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The Dinosaurs (Dinosauriformes) - order
(Marasuchus)

(Marasuchus lilloensis<)
(Nyasasaurus)

(Nyasasaurus parringtoni)
(Saltopus)

(Saltopus elginensis)
(Silesauridae) - suborder
(Asilisaurus)

(Asilisaurus kongwe)
(Diodorus)

(Diodorus scytobrachion)
(Eucoelophysis)

(Eucoelophysis )
(Pseudolagosuchus)

(Pseudolagosuchus major)
(Sacisaurus)

(Silesauridae )
(Silesaurus)

(Silesaurus opolensis)
(Dinosauria) - suborder
The Bird-Hipped Dinosaurs(Ornithischia)
(Eocursor)
Dawn Runner
(Eocursor parvus)
(Fabrosaurus)
Fabre's Lizard
(Fabrosaurus australis)
(Pisanosaurus)

(Pisanosaurus mertii)
(Taveirosaurus)

(Taveirosaurus costai)
(Trimucrodon)

(Trimucrodon cuneatus)
The Strong-Snouted Dinosaurs (Heterodontosauridae) - family

(Echinodon becklesii)

(Fruitadens haagarorum)

(Geranosaurus atavus)

(Tianyulong confuciusi)

(Heterodontosaurinae)
- subfamily
(Genasauria)

(Neornithischia)

(Serendipaceratops)

(Thyreophora)
The Armored Dinosaurs (Thyreophora)
(Stegosauria)

(Huayangosauridae)
- family

(Stegosauridae)
- family
(Ankylosauria)

(Nodosauridae)
- family

(Ankylosauridae)
- family
(Neornithischia)
(Ornithopoda)
(Parksosauridae)
The Last Primitive Beaked Dinosaurs (Thescelosaurinae)

(Changchunsaurus)

(Elasmaria)

(Haya)

(Parksosaurus)

(Thescelosaurus)
(Iguanodontia)
Advanced European Beaked Dinosaurs
(Rhabdodontidae)
- family
Small Advanced Beaked Dinosaurs
(Dryosauridae)
- family
Mid-Sized Advanced Beaked Dinosaurs
(Camptosauridae)
- family
Duckbilled Dinosaurs
(Hadrosauridae)
- family
(Marginocephalia )
The Boneheaded Dinosaurs (Pachycephalosauria)

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(Ceratopsia)
Early Parrot-Beaked Dinosaurs
(Chaoyangsauridae)
- family
Parrot Dinosaurs
(Psittacosauridae)
- family
(Neoceratopsia)
Small-Frilled Dinosaurs
(Leptoceratopsidae)
- family
Lump-Nosed Frilled Dinosaurs
(Bagaceratopsidae)
- family
Deep-Tailed Frilled Dinosaurs
(Protoceratopsidae)
- family
Horned Dinosaurs
(Ceratopsidae)
- family
The Lizasd-Hipped Dinosaurs (Saurischia)
(Alwalkeria)
Alick Walker
(Alwalkeria maleriensis)
(Spondylosoma)
Vertebra Body
(Spondylosoma absconditum)
(Teyuwasu)
Big Lizard
(Teyuwasu barbarenai)
(Eusaurischia)
(Eoraptor) 231 to 228 million years ago

(Eoraptor lunensis)
The Lizard-Footed Forms (Sauropodomorpha)

(Nyasasaurus)

(Arcusaurus)

(Asylosaurus)

(Buriolestes)

(Efraasia)

(Nambalia)

(Pampadromaeus)

(Pantydraco)

(Thecodontosaurus)

(Guaibasauridae)
- family

(Plateosauria)
(Theropoda)

(Dromaeosauridae)
- family

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