How tall is Brachiosaurus altithorax?

A little more perspective

Triebold Paleontology lists a maximum head height of 13.7 meters for its Field Museum/O’Hare-pattern Brachiosaurus altithorax skeleton. Field Museum collections staff explain that the original mount combines casts of the North American holotype with sculpted missing bones based on Giraffatitan brancai. This is a composite exhibit reference, not a measured living Brachiosaurus.

The illustration follows the mount’s raised-neck arrangement, with the foot-contact plane and highest skull point defining height. Bone placement and lateral geometry remain interpretive. Support hardware is omitted, and the selected value does not replace the separate 13.27-meter Berlin Giraffatitan mount reference.

Quick facts

A cast producer lists this restored Brachiosaurus mount at a maximum head height of 13.7 meters. Its missing bones incorporate reconstruction based on the related Giraffatitan.

For a presentation or a research note, include the subject, the measurement definition, and the assumed measurement. A picture alone cannot explain those choices. The comparison guide explains how to export an image and its source notes together.

Sources and measurement notes

• Triebold Paleontology: Brachiosaurus mount dimensions
• Field Museum: 2016 account of the mount’s cast and sculpted bones

The 13.7-meter reference describes a reconstructed composite mount.

Source review recorded September 8, 2026. Maintained by Ishan Karunaratne. Suggest a correction with a source and the exact measurement being compared.

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