Amphicoelias was probably very similar to Diplodocus or Apatosaurus, just much larger.
ampheeceelas
Argentinosaurus
On "Earth".
AMPHICOELIAS
Amphicoelias fragillimus.
56 ft (17m)
Assuming it existed, Amphicoelias fragillimus would have been a diplodocid sauropod, and therefore a specialized herbivore.
Its Amphicoelias Pronounciation: Am - fee - co - eee - lee - yas Size: 790 tonnes 200 feet
No. Diplodocus was up there but was not the biggest.
The largest dinosaur is Amphicoelias, at 200 ft long.
about 150 million years ago in the late Jurassic period
It was the longest at 200 feet long and weighed 125 tons!