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Elasmosaurus: Beast of the Week
29 March 2026 EN prehistoricbeastoftheweek

Elasmosaurus: Beast of the Week

United States Cretaceous Late Cretaceous Elasmosaurus

 This week we will be checking out a sea beast who's proportions were so outrageous, it confused even scientists! Check out Elasmosaurus platyurus.Elasmosaurus was a large reptile that lived in he sea that covered what is now central part of the United States during the late Cretaceous period, between 80 and 77 million years ago.  From snout to tail it would have measured about 34 feet (7.1m) and would have eaten meat when alive.  Its genus name translates to "plate reptile" in reference to how

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