Estimates of Sauroposeidon 's size are based on a comparison between the four Sauroposeidon vertebrae and the vertebrae of the HM SII specimen of Giraffatitan brancai , located in the Humboldt Museum in Berlin .
Estimates of Sauroposeidon 's size are based on a comparison between the four Sauroposeidon vertebrae and the vertebrae of the HM SII specimen of Giraffatitan in the Humboldt Museum in Berlin .