Amargasaurus vs Dracorex

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

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Side-by-Side Comparison

Propiedad Amargasaurus Dracorex
Nombre cientรญfico Amargasaurus cazaui Dracorex hogwartsia
Clasificaciรณn Sauropoda Pachycephalosauria
Perรญodo Cretaceous Early Cretaceous Late
Dieta Herbivore Herbivore
Longitud 10.0 m 3.0 m
Height 2.5 m 1.2 m
Peso 2.6 t 200 kg
Aรฑo de descubrimiento 1991 2006
Lugar de descubrimiento La Amarga Formation, Argentina Hell Creek Formation, South Dakota, USA
Nombrado por Leonardo Salgado & Jose Bonaparte Robert Bakker et al.
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Size Comparison

Amargasaurus 10.0 m

about as long as 2 cars end-to-end

Dracorex 3.0 m

about the size of a human adult

Weight Comparison

Amargasaurus 2.6 t

comparable to 2.6 small cars

Dracorex 200 kg

about 3 adult humans

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Timeline Comparison

Amargasaurus
145,0 Mya Cretaceous Early (Mesozoic) 100,5 Mya
Dracorex
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya
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Diet Comparison

Amargasaurus

Herbivore

Amargasaurus 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.

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Classification Comparison

Amargasaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Dracorex

Clade: Ornithischia

Group: Pachycephalosauria

(Thick-headed lizards)

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Did You Know?

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Amargasaurus was about 3.3x longer than Dracorex.

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Amargasaurus weighed roughly 13x more than Dracorex.

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Both Amargasaurus and Dracorex were herbivores.

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Amargasaurus lived during the Cretaceous Early while Dracorex lived during the Cretaceous Late, separated by roughly 0 million years.

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Amargasaurus was discovered 15 years earlier, in 1991.

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Amargasaurus belonged to Sauropoda while Dracorex belonged to Pachycephalosauria.

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