There is growing evidence that a comet strike is responsible for the extinction of most of the large mammals including mastodons and humans (the Clovis culture) in NA about 13,000 years ago. Discover magazine has an article in the April 2009 issue. Their extinction has also been linked with their yearning to go down for so long that they simply stop breathing. National Geographic has an article in the June 2008 issue.
It is not yet known why they went extinct.
Because a meteor crashed the Earth (probably in Arizona). The impact was so powerful that it was able to wipe out all the dinosaurs of the Earth, even the Stegosaurus.
65000000 years ago
it was extinct in 1892
The Mastodon is most closely related to present day elephants. The Mastodon is extinct.
yes
A mastodon is a extinct elephant of the family Mammutidae, such as the American mastodon (Mammut americanum).
mastodon
The mastodon is an extinct animal that resembled an elephant. The San Diego Natural History Museum was among the first to display a mastodon.
Mammoth
indians hunt all of them down
probably got hunted down.
The "mastodon" is an extinct ancestor of the modern elephant.
Because 13,000 years ago the climate turned too warm so they could not adapt so they died.
A trilophodon is an extinct relative of the elephant, which is closely related to the mastodon.