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Brontosaurus is an invalid name for Apatosaurus excelsus. Apatosaurus excelsus fossils date to between 154 and 151 million years ago. That means they probably died out about 151 million years ago.
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∙ 10y ago
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∙ 12y agobrachiosaurus lived during the late Jurassic
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∙ 12y agobrachiosaurus went extinct with all dinosaurs (execpt for birds) in the 65 million years ago in the K/T mass extinction
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∙ 13y agoThe brontosaurus, along with the many other species of dinosaurs, became extinct about 65 millions years ago.
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∙ 12y agobrachiosaurus went extinct in the K/T Mass Extinction Event at the End of the Cretaceous in 65 Million years ago
Wiki User
∙ 10y agoBrontosaurus is an invalid name for Apatosaurus excelsus. Apatosaurus excelsus fossils date to between 154 and 151 million years ago, and presumably they died out about 151 million years ago.
Wiki User
∙ 11y ago1 year ago cool aye!
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∙ 13y agowe eated them :)
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When did the brachiosaurus become extinct?
it came Extinct for eating other animals
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.
Did the brachiosaurus nurture its young?
This question cannot be answered because we cannot observe an extinct creature.
Why the huayangosaurus went extinct?
huayangosaurus went extinct in the K/T Mass Extinction in 65 million years ago with all Dinosaurs Went Extinct
What plants went extinct of deforestation?
when if the plants went extinct of deforesation will be no life on earth
What does the moa have in common with th dodo?
They are both extinct animals. The dodo went extinct in the late 1600s. The moa went extinct in about 1400.
What date did the smliodon extinct?
it went extinct in 19 b.c
Did Cro-Magnon become extinct because of the Ice Age?
Cro-Magnon never went extinct. They evolved into modern Europeans. Neanderthals went extinct.
What would happen if phytoplankton or mosquitos went extinct?
If they went extinct the whole food chain would be out of balance.
How do brachiosaurus hunt?
Brachiosaurus was a herbivore.
When did the dimetrodon went extinct?
the dimetrodon went extinct in the Permian Mass Extiction Event in 250 million years ago
When did the prosauropods went extinct?
the jurassic
