The Ornithischian (bird-hipped) order of dinosaurs

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Dinosaur!

 
   
Dinosaur Jungle   >   Dinosaur Facts   >   Classification   >   Ornithischia

   

Ornithischian Dinosaurs



Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Ornithischia
The Ornithischia is one of two orders of dinosaurs (the other being the Saurischia ("lizard-hipped") dinosaurs). This system of classification was devised by Harry Seeley in the 1880s, and first published in 1888.

The name "Ornithischia" means "bird-hipped" and was chosen because of similarity of the animals' hip bones and pelvic joint to that of birds (although birds actually evolved from Saurischian ("lizard-hipped") dinosaurs).

Dinosaur Classification

All Ornithischian dinosaurs were herbivores (plant-eaters), whereas in contrast the Saurischians included herbivores, omnivores and carnivores. Other differences from Saurischians, include differences in their skulls (smaller holes in front of the eye sockets known as "antorbital fenestrae"), the development of armor in many Ornithischians, and an extra bone in the lower jaw, known as the "predentary".

Ornithischian pelvic bones:
Ornithischian pelvic bones

The Ornithischian order has itself been divided into a number of subgroups. These include:

Ornithischia Timeline:



Ornithischian dinosaurs first appeared about 230 million years ago, and survived until the end of the Cretaceous period, about 65 million years ago

Ornithischian dinosaurs first appeared about 230 million years ago, and survived until the end of the Cretaceous period, about 65 million years ago

Types of Ornithischian Dinosaur



Here is a list of some Ornithischian dinosaurs:

Dinosaur

Abrictosaurus
Abrictosaurus
 

Achelousaurus
Achelousaurus
 

Agujaceratops
Agujaceratops
 

Altirhinus
Altirhinus
 

Anchiceratops
Anchiceratops
 

Animantarx
Animantarx
 

Ankylosaurus
Ankylosaurus
 

Avaceratops
Avaceratops
 

Bactrosaurus
Bactrosaurus
 

Camptosaurus
Camptosaurus
 

Centrosaurus
Centrosaurus
 

Chasmosaurus
Chasmosaurus
 

Corythosaurus
Corythosaurus
 

Diabloceratops
Diabloceratops
 

Echinodon
Echinodon
 

Edmontonia
Edmontonia
 

Edmontosaurus
Edmontosaurus
 

Eotriceratops
Eotriceratops
 

Euoplocephalus
Euoplocephalus


Gastonia
Gastonia
 

Gigantspinosaurus
Gigantspinosaurus
 

Hadrosaurus
Hadrosaurus
 

Heterodontosaurus
Heterodontosaurus
 

Hypsilophodon
Hypsilophodon
 

Iguanodon
Iguanodon
 

Kentrosaurus
Kentrosaurus
 

Kritosaurus
Kritosaurus
 

Lambeosaurus
Lambeosaurus
 

Lesothosaurus
Lesothosaurus
 

Maiasaura
Maiasaura
 

Minmi
Minmi
 

Monoclonius
Monoclonius
 

Muttaburrasaurus
Muttaburrasaurus
 

Nanyangosaurus
Nanyangosaurus
 

Nipponosaurus
Nipponosaurus
 

Nodosaurus
Nodosaurus
 

Ouranosaurus
Ouranosaurus
 

Pachycephalosaurus
Pachycephalosaurus
 

Pachyrhinosaurus
Pachyrhinosaurus
 

Panoplosaurus
Panoplosaurus
 

Parasaurolophus
Parasaurolophus
 

Pentaceratops
Pentaceratops
 

Pinacosaurus
Pinacosaurus
 

Pisanosaurus
Pisanosaurus
 

Prenocephale
Prenocephale
 

Protoceratops
Protoceratops
 

Psittacosaurus
Psittacosaurus
 

Saichania
Saichania
 

Saurolophus
Saurolophus
 

Scutellosaurus
Scutellosaurus
 

Stegoceras
Stegoceras
 

Stegosaurus
Stegosaurus
 

Styracosaurus
Styracosaurus
 

Talarurus
Talarurus
 

Tarchia
Tarchia
 

Torosaurus
Torosaurus
 

Trachodon
Trachodon
 

Triceratops
Triceratops
 

Tuojiangosaurus
Tuojiangosaurus
 

Zalmoxes
Zalmoxes
 

Zuniceratops
Zuniceratops
 


   
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