Dinosaur Types!

Two main types of dinosaurs:

• Saurischia: (sore-is-che-a)

•Ornithischia: (or-nith-is-che-a)

•Both carnivores and herbivores.

•Only herbivores.

Saurischia: lizard-hipped• Large lizard like pelvises and clawed feet.

1. Theropods: (there-o-pods)

• Both carnivores and herbivores.

• Divided into 2 sub-orders:

2. Sauropods: (saur-o-pods)

Theropods: (breast-footed)

• Carnivores (meat eaters)

•Sharp slicing teeth & clawed hands.•Fast and agile.•Strong legs with 3 toed, clawed feet.•Bipedal walk. (walked on 2 feet)

Sauropods: (lizard footed forms)

• Herbivores. (plant eaters)

•Small heads and brains.

•Usually walked on 4 legs.

•Slow moving.

•Largest land animals ever!

Ornithischia: (bird hipped)

• Hips similar to modern birds & hoofed toes.•Only herbivores. •Four different types:

1. Ornithopoda2. Thyreophora

3. Pachycephalosauria

4. Certopsia

• Ornithopoda: (or-nith-o-poda) •Bird-footed with 2 legs. •No armor on body & spiked hands.

•Pachycephalosauria: (packy-cep-halo-sore-e-a)

•Walked on 2 legs.

•Huge bony skull.

• Thyreophora: (thigh-re-o-for-a) •Walked on 4 legs.

•Had an armor plated body.

•Certopsia: (sir-top-c-a) •Walked on 4 legs.

•Had beaks & horns on face.

• There were other types of dinosaurs:

•Pterosaurs: (ter-o-saurs)

•Flying bird-like reptiles.

•Ichthyosaurs: (I-cathy-o-saurs)•Plesiosaurs: (ples-e-o-saurs)

• Sea reptiles.

• For more information on different dinosaur species and characteristics visit the following web sites.

http://www.bbc.co.uk/dinosaurs/fact_files/index.shtmlWalking with Dinosaurs:

http://flood.nhm.ac.uk/cgi-bin/dino/

The Natural History Museum: Dino Directory:

http://www.dinodictionary.com/dinos_a.asp

Dinodictionary.com:

http://www.proteacher.com/110055.shtmlDino Base:To access site, select “Dino base”.

http://www.zoomschool.com/subjects/dinosaurs/index.html

Zoom Dinosaurs.com: