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 70 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 pair of massive Isisaurus colberti sauropods (FKA Titanosaurus colberti) on a lush plain in central India; sauropod - Natural History Illustration Geologic Time Scale

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


Isisaurus colberti

A pair of massive sauropod/titanosaur dinosaurs of the species Isisaurus colberti wander lush plains 70 million years ago in what is today central India.

Formerly known as Titanosaurus colberti, Isisaurus colberti was a leaf-eating herbivore that grew up to 60 feet long and weighed as much as 15 tons. 




Copyright Walter B. Myers. All rights reserved.

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