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I think they became extinct at the end of the Mesozoic era
The dodo bird became extinct in the early 1600's. The Triceratops became extinct long before that.
Ammonites were an abundant group of mollusks during the Mesozoic. However, the K-T extinction event, which wiped out the dinosaurs, was too much for them. They became extinct 65.5 million years ago.
the dinosaurs became extinct because the was kill of there family
no one really nows how or when they became extinct
The sea mink became extinct because is was hunted to extinction for it's fur.
after dinsaurs became extinct
Vegetarians that became extinct
They became extinct
They are not extincted
Yes. Sadly,they became extinct in the 17th century.
nothing they are extinct Before they became extinct they were carnivores that is they ate meat.