Seismosaurus is a dubious name. The dinosaur is actually called diplodocus. Diplodocus was far larger than Baryonyx.
baryonyx
Seismosaurus, a herbivore and sauropod.
the largest dinosaur that ever lived is the seismosaurus hallorum
A spinosaurus is much larger than the baryonyx
Baryonyx
t-rex. it was the biggest dinosaur that ever roamed the planet.
Rudy the Baryonyx
Hard to say for sure, but the heaviest dinosaur was probably one of the Sauropods, like Brachiosaurus or Seismosaurus.
40 meters long, which is the Siesmosaurus.
the Seismosaurus it is 150 feet long and weighs 87 tons
Seismosaurus was 84-90 feet tall. It was also 120-200 feet long. It is the 2nd largest and tallest dinosaur coming after its cousin, amphicoelias fragillimus.
There is no spinosaurus but there are other spinosaurids,which are baryonyx and suchomimus
The largest species of bone headed dinosaur, or Pachycephalosaur, was Pachycephalosaurus, measuring 15 feet long and weighing 990 lb. The smallest was Dracorex, at about 10 feet in length.