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Brachiosaurus altithorax

Most images and reconstructions of Brachiosaurus are based on the specimen displayed in the Berlin Natural History Museum. The specimen was originally identified as an african species of Brachiosaurus however the specimen has now been identified as the dinosaur Giraffatitan.


Brachiosaurus altithorax


Riggs, 1903

Meaning of the generic name

Arm lizard


Length: 25 m


Holotype (FMNH P25107): postcranial skeleton

Referred specimens: Partial skeletons

Age and Distribution

Horizon: Morrison Formation, Brushy Basin Member, Upper Jurassic (Kimmeridgian-Tithonian)

Locality: Mesa County, Colorado, US


Dinosauria Saurischia Sauropodomorpha Sauropoda Macronaria Brachiosauridae

  Further Reading

Taylor, M.P. (2009). "A Re-evaluation of Brachiosaurus altithorax Riggs 1903 (Dinosauria, Sauropod) and its generic separation from Giraffatitan brancai (Janensh 1914)." Journal of Vertebrate Paleontology, 29(3): 787-806.

Hanns-Christian Gunga, Tim Suthau, Anke Bellmann, Stefan Stoinski, Andreas Friedrich, Tobias Trippel, Karl Kirsch, Olaf Hellwich. 2008. A new body mass estimation of Brachiosaurus brancai Janensch, 1914 mounted and exhibited at the Museum of Natural History (Berlin, Germany). WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Volume 11 Issue 1, Pages 33 - 38



Illustration by N. Tamura

Brachiosaurus altithorax illustration by D. Bogdanov


                                                   Illustration by N. Tamura