Dinosaurs

Dinosaurs were huge reptiles that lived millions of years ago. The period of dinosaurs is called Mesozoic era. It is divided into three different periods.

1. Triassic - The first dinosaurs appeared in Triassic period about 228 million years ago
2. Jurassic - Cooler temperatures and higher rainfall created a warm an wet climate just right for Dinosaurs
3. Cretaceous - There were more types of dinosaurs than ever. In the end of Cretaceous all dinosaurs were extinct.

Dinosaurs were herbivores or Carnivores. Herbivores are dinosaurs that eat plants. Carnivores are dinosaurs that eat meat. Now dinosaurs are extinct and not knows exactly how.

Here are some of the dinosaurs.

 

Pteranodon

Name Means:  Winged Toothless

Family: Pteranodontiade

Period: Late Cretaceous

Diet: Fish

 

Carnotaurus

Name Means: Flesh Eating Bull

Family: Abelisauridae

Period: Mid Cretaceous

Diet: Other dinosaurs

 

Parasaurolophus

Name Means: Like Saurolophus

Family: Lambeosauridae

Period: Late Cretaceous

Diet: Plants

 

Oviraptor

Name Means: Egg Thief

Family: Oviraptoradae

Period: Late Cretaceous

Diet: Mollusks and Shellfish

 

Dimetredon

Name Means: Two Measures of Teeth
Family:  Sphenacodontidae
Period: Permian (Before Triassic)
Diet: Meat

 

Gallimimus

Name Means: Chicken Mimic
Family: Ornithomimidae
Period: Late Cretaceous
Diet: Insets, Plants