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 Oklahoma, USA
 110 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 50 ton Sauroposeidon dine on the leaves of an American Sycamore 110 million years ago  - Natural History Illustration Geologic Time Scale

 Era: Mesozoic
  Period: Cretaceous
   Epoch: Early
    Age: Albian


Sauroposeidon & Sycamore

A pair of 50 ton sauropod dinosaurs of the genus Sauroposeidon dine on the leaves of angiosperms of the genus Platanus (similar to today's American Sycamore) 110 million years ago during the Early Cretaceous Period in what is today southeastern Oklahoma. In the background flying reptiles known as pterosaurs glide across the sky.

A plant-eating giant, Sauroposeidon is the tallest known dinosaur with a neck that could reach up to 56 feet high. Sauroposeidon is also one of the longest and heaviest of all dinosaurs.



Copyright Walter B. Myers. All rights reserved.

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