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 North Africa
 95 million years ago

Mean atmospheric O2
 150% of modern level

Mean atmospheric CO2
 6x pre-industrial level

Mean temperature
 4C above modern level

Mesozoic Earth - A Spinosaurus standing in a shallow estuary in Cretaceous Egypt - Natural History Illustration Geologic Time Scale

 Era: Mesozoic
  Period: Cretaceous
   Epoch: Late
    Age: Cenomanian



An eight ton theropod dinosaur of the genus Spinosaurus searches for its next meal 95 million years ago in shallow waters of what is today Egypt. With a massive crocodile-like head and enormous muscular body, this terrifying carnivore was larger than the Early Cretaceous Suchomimus and may have been mightier even than the famous Tyrannosaurus Rex of approximately the same period.



Copyright Walter B. Myers. All rights reserved.

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