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When did Spinosaurus Go Extinct?
Spinosaurus fossils are dated to between 112 and 97 million years ago. They probably died out around 97 million years ago.
When did the spinosaurs become extinct?
The oldest known Spinosaurus fossils are from 112 million years ago, during the Albian stage of the Cretaceous period. The youngest are from 97 million years ago, during the Cenemonian stage of the Cretaceous period. Presumably, they became extinct around 97 million years ago.
What era did dinosaurs became extinct?
I think they became extinct at the end of the Mesozoic era
Which became extinct most recently Triceratops brachiosaurus the Dodo?
The dodo bird became extinct in the early 1600's. The Triceratops became extinct long before that.
What major group flourished only after the dinosaurs became extinct?
the dinosaurs became extinct because the was kill of there family
How did phororhacos become extinct?
no one really nows how or when they became extinct
What caused the Sea mink to become extinct?
The sea mink became extinct because is was hunted to extinction for it's fur.
Mammals became dominant only after?
after dinsaurs became extinct
Are elephant birds extinct?
Yes. Sadly,they became extinct in the 17th century.
How did the spinosaurus become extinct?
While its not really known, it is a widely accepted theory that since Spinosaurus relied so much on the rivers and the shallow seas, as the environment around it changed, it got drier and slowly these environments of water dried out, thus completely devastating its main food source.
What is a megadont?
Vegetarians that became extinct
What happened to the leviathan?
They became extinct
