Amphicoelias may have been the largest dinosaur ever. This gigantic diplodocoid sauropod had very few (or possibly even no) enemies.
Description[]
Period[]
Amphicoelias lived in the the Late Jurassic period.
Place[]
Amphicoelias was discovered in the Morrison Formation in North America.
Fragile bones[]
The largest species, A.fragilimus was named due to it's exterely fragile bones.