Personally, I don't think dinosaurs are 'famous'. But my brother is a paleontologist and he claims that the brachiosaurus is supposedly more famous than the diplodocus because a brachiosaurus looks like what everyone thinks a typical dinosaur looks like.
There are many! One of them is the brachisaurus nipped at its food on high branches, whilst diplodocus dragged it's teeth down and along branches sweeping the foliage off - so the diplodocus had different wear on it's teeth because of this and chewed whereas the brachisaurus had an up and down jaw motion to masticate it's food. Allegedly! - no one saw either one eat, we just have the evidence from their bones and teeth.
Many of the large sauropods were. Brachiosaurus, Ultrasaurus, Diplodocus all were. Even some lagre carnivorous theropods were as big, maybe even larger.
diplodocus is longer but brachiosauras is taller
Apatosaurus was 75 feet long, 15 feet tall to the highest point on the back, and weighed between 18 and 25 tons. Depending on the weight estimate you use, Brachiosaurus was between 26 and 31 tons and it was 85 feet long. In addition, Brachiosaurus was over 50 feet tall. Thus, Brachiosaurus was larger than Apatosaurus.
The Brachiosaurus footprint is relatively small for a dinosaur. Looking more like a giraffe than a dinosaur, specimens have been found in North America.
Brachiosaurus was the first discovered dinosaur that had arms that were longer than its legs. This feature is only found among Brachiosaurus and its relatives.
The heaviest land animal of all time, the Brachiosaurus. The humerous-to-femur ratio was greater than 1.0 meaning the shoulders were higher than the hips. Other dinosaurs that were originally thought to be bigger or similar, such as Ultrasaurus or Supersaurus either turned out to be Brachiosaur or more related to the Diplodocus.
Seismosaurus is a dubious name. The dinosaur is actually called diplodocus. Diplodocus was far larger than Baryonyx.
Diplodocus was up to 27 metres (90 feet) long and weighed 25 tons. Its close cousin Seismosaurus was more than twice as big.
Brachiosaurus means "arm lizard." This is because, unlike most dinosaurs, Brachiosaurus had longer forelimbs than hind limbs.
More Than Famous was created in 2003.
The tallest herbivore dinosaur was Sauroposiden.At 56ft high and 98ft long Sauroposeidon is the tallest and one of the longest dinosaurs in the world, only then to be beaten by Argentinosaurus. Don't believe me go check it out on Wikipeidia.A Dinosaur called Brachiosaurus, Was once the tallest Dinosaur. But now the Highest is one called Sauresposeidon.
Niether are more famous than the other