Triassic

• Dinosaurs appear 
• First Mammal's and crocodiles appear
• Modern coral and fish 

Jurassic 206 MYA

• Lots of different dinosaurs 
• ferns and cone bearing plants 
• Mammals common but small
• First birds and lizards 
• Land mass, Pangaea breaks up into Gondwanaland and Laurasia
• High Carbon Dioxide levels

Cretaceous 144 MYA

• Lots of dinosaurs including Tyrannosaurus
• New types of insects 
• Flowering plants appear and become plentiful 
• Modern Crocodiles and Sharks  
• Early Birds appear
• Gondwanaland breaks up 
• Rocky mountains appear 
• Carbon dioxide similar today

Paleogene

• Modern plants
• Lots of different mammals
• Dinosaurs Extinct 
• Primitive whales 
• First grasses 
• Rapid changes in Mammals 
• Climate cools
• Ice age begins and ends during this period

Neogene

• Modern Climate
• Modern  mammals and birds 
• Horses evolve from dog like animal
• Lots of grass
• First Apes 
• Southern alps of NZ appear

Quaternary 1.8 MYA- present

• Anatomically modern humans
• Human stone age culture 
• Ice age comes and goes 
• Sahara forms from grassland 
• Humans begin to agriculture 
• stone age- Bronze age 3300BC- Iron Age 1120 BC
• Industrial revolution leads to rise in carbon dioxide levels