Brachiosaurus vs Dracorex

A detailed side-by-side comparison of Brachiosaurus and Dracorex, covering size, diet, classification, geologic period, and discovery history.

Side-by-Side Comparison

Propriété Brachiosaurus Dracorex
Nom scientifique Brachiosaurus altithorax Dracorex hogwartsia
Classification Sauropoda Pachycephalosauria
Période Jurassic Late Cretaceous Late
Alimentation Herbivore Herbivore
Longueur 26.0 m 3.0 m
Height 13.0 m 1.2 m
Poids 56.0 t 200 kg
Année de découverte 1903 2006
Lieu de découverte Grand River Valley, Colorado, USA Hell Creek Formation, South Dakota, USA
Nommé par Elmer S. Riggs Robert Bakker et al.

Size Comparison

Brachiosaurus 26.0 m

about as long as 5 cars end-to-end

Dracorex 3.0 m

about the size of a human adult

Weight Comparison

Brachiosaurus 56.0 t

heavier than 9 African elephants

Dracorex 200 kg

about 3 adult humans

Timeline Comparison

Brachiosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Dracorex
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

Diet Comparison

Brachiosaurus

Herbivore

Brachiosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Dracorex

Herbivore

Dracorex was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Classification Comparison

Brachiosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Dracorex

Clade: Ornithischia

Group: Pachycephalosauria

(Thick-headed lizards)

Did You Know?

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Brachiosaurus was about 8.7x longer than Dracorex.

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Brachiosaurus weighed roughly 280x more than Dracorex.

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Both Brachiosaurus and Dracorex were herbivores.

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Brachiosaurus lived during the Jurassic Late while Dracorex lived during the Cretaceous Late, separated by roughly 44 million years.

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Brachiosaurus was discovered 103 years earlier, in 1903.

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Brachiosaurus belonged to Sauropoda while Dracorex belonged to Pachycephalosauria.

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