Image: Map of world: late Cretaceous

Map of world: late Cretaceous

Late Cretaceous – 75 million years ago

Creator:
Ronald Blakey
Rights:
© Ronald Blakey

Notes

Fast facts

  • Climate: no polar ice caps, world-wide variation, average temperature dropping, sea levels falling, carbon dioxide levels about four times higher than today
  • Main dinosaurs: ceratopsians, pachycephalosaurs, hadrosaurs, dromaeosaurs, tyrannosaurs in the northern hemisphere; titanosaurs, abelisaurs and ornithopods in the southern hemisphere; modern lineage of birds; primitive birds
  • Main plants: flowering plants; other plants such as cycads, ferns and conifers
  • Other animals: many new species; declining numbers of ammonites; giant short-tailed pterosaurs rule the air; mosasaurs and sharks are dominant predators in seas.

Additional information

BY Ron Blakey only for use in 2008 Dinosaurs exhibition and associated web

Last Updated:

Tags map, late Cretaceous, geomorphology,