CRETACEOUS PERIOD

BACKGROUND

• Start- 145.5 mya
• Stop- 65.5 mya
• Era- Mesozoic

YOU KNOW YOU'RE IN CRETACEOUS TIMES WHEN...

• Dinosaurs tread on the Earth
• Ammonites and mollusks were hunted by marine reptiles
• Pterosaurs and birds ruled the air together
• This period saw the first modern-day, Cenozoic life forms
• Flowering plants started and vegetation conifers and cycads.

MAJOR EVENTS

• Global Volcanism
• Unbelievably fast mid-ocean ridge spreading
• Breaking up of the supercontinent Pangaea
• Little if any ice existed at the poles and the planet was hotter overall
• Marine waters flooded onto continents

WHAT TO BRING?

• Bring Summer clothing
• An emergency raft
• Bring hats preparing for rain

LIFE FORMS (ANIMALS)

• Dinosaur
• Pterosaur
• Ichthyosaur
• Plesiosaur

LIFE FORMS (PLANTS)

• Conifer
• Cycad
• Angiosperm
• Gymnosperm

FIRST-LAST

• We saw the first conifers and cycads
• We witnessed the disappearance of the Ichthyosaur
• The Plesiosaur also became extinct