Camarasaurids developed a kind of hyaena positure, with a raised back, and short neck.
They were 18-20 metres long, and had a boxy skull, with tall nostrils.
Brachiosaurids were more giraffe-like, with the forelimbs long and slender, and a tall
shoulder region, along with a very long and powerfull neck, and a tall and L shaped skull.
Sauropseidon is known to be the tallest known dinosaur, towering upto 20 metres
in the air, in comparation to Brachiosaurus (10 m) and Giraffatitan (12,5 m)