Argentinosaurus vs Protoceratops

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

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Side-by-Side Comparison

Property Argentinosaurus Protoceratops
Scientific Name Argentinosaurus huinculensis Protoceratops andrewsi
Classification Sauropoda Ceratopsia
Period Cretaceous Late Cretaceous Late
Diet Herbivore Herbivore
Length 35.0 m 1.8 m
Height 12.0 m 0.6 m
Weight 70.0 t 83 kg
Discovery Year 1993 1923
Discovery Location Neuquen Province, Argentina Gobi Desert, Mongolia
Named By Jose Bonaparte & Rodolfo Coria Walter Granger & W.K. Gregory
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Size Comparison

Argentinosaurus 35.0 m

as long as 3 school buses

Protoceratops 1.8 m

about the size of a human adult

Weight Comparison

Argentinosaurus 70.0 t

heavier than 12 African elephants

Protoceratops 83 kg

about 1 adult humans

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Timeline Comparison

Argentinosaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
Protoceratops
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

Argentinosaurus and Protoceratops both lived during the Cretaceous Late period and may have shared the same habitats.

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Diet Comparison

Argentinosaurus

Herbivore

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

Protoceratops

Herbivore

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

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Classification Comparison

Argentinosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Protoceratops

Clade: Ornithischia

Group: Ceratopsia

(Horned faces)

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Did You Know?

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Argentinosaurus was about 19.4x longer than Protoceratops.

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Argentinosaurus weighed roughly 843x more than Protoceratops.

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Both Argentinosaurus and Protoceratops were herbivores.

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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.

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Protoceratops was discovered 70 years earlier, in 1923.

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Argentinosaurus belonged to Sauropoda while Protoceratops belonged to Ceratopsia.

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