Allosaurus vs Argentinosaurus

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

{# ═══════════════════════════════════════════════════════════════════════════ Side-by-side comparison table ═══════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

Properti	Allosaurus	Argentinosaurus
Nama Ilmiah	Allosaurus fragilis	Argentinosaurus huinculensis
Klasifikasi	Theropoda	Sauropoda
Periode	Jurassic Late	Cretaceous Late
Diet	Carnivore	Herbivore
Panjang	9.7 m	35.0 m
Height	3.5 m	12.0 m
Berat	2.3 t	70.0 t
Tahun Penemuan	1877	1993
Lokasi Penemuan	Garden Park, Colorado, USA	Neuquen Province, Argentina
Dinamai Oleh	Othniel Charles Marsh	Jose Bonaparte & Rodolfo Coria

{# ═══════════════════════════════════════════════════════════════════════════ Visual size comparison ═══════════════════════════════════════════════════════════════════════════ #}

Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Argentinosaurus 35.0 m

as long as 3 school buses

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Argentinosaurus 70.0 t

heavier than 12 African elephants

{# ═══════════════════════════════════════════════════════════════════════════ Timeline comparison ═══════════════════════════════════════════════════════════════════════════ #}

Timeline Comparison

Allosaurus

161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya

Argentinosaurus

100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

{# ═══════════════════════════════════════════════════════════════════════════ Diet comparison ═══════════════════════════════════════════════════════════════════════════ #}

Diet Comparison

Allosaurus

Carnivore

Allosaurus was a meat-eating predator, hunting other animals for food.

Argentinosaurus

Herbivore

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

{# ═══════════════════════════════════════════════════════════════════════════ Classification comparison ═══════════════════════════════════════════════════════════════════════════ #}

Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Argentinosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

{# ═══════════════════════════════════════════════════════════════════════════ Key differences (from DinoComparison model) ═══════════════════════════════════════════════════════════════════════════ #} {# ═══════════════════════════════════════════════════════════════════════════ Did You Know? fun facts ═══════════════════════════════════════════════════════════════════════════ #}

Did You Know?

💡

Argentinosaurus was about 3.6x longer than Allosaurus.

💡

Argentinosaurus weighed roughly 30x more than Allosaurus.

💡

Allosaurus was a carnivore while Argentinosaurus was a herbivore.

💡

Allosaurus lived during the Jurassic Late while Argentinosaurus lived during the Cretaceous Late, separated by roughly 44 million years.

💡

Allosaurus was discovered 116 years earlier, in 1877.

💡

Allosaurus belonged to Theropoda while Argentinosaurus belonged to Sauropoda.

{# ═══════════════════════════════════════════════════════════════════════════ Related comparisons ═══════════════════════════════════════════════════════════════════════════ #}

Compare With Other Dinosaurs

Allosaurus vs Stegosaurus

Carnivore vs Herbivore

Tyrannosaurus Rex vs Allosaurus

Carnivore vs Carnivore

{# ═══════════════════════════════════════════════════════════════════════════ Explore these dinosaurs ═══════════════════════════════════════════════════════════════════════════ #}

Explore These Dinosaurs

Allosaurus

Allosaurus fragilis

9.7m long, 3.5m tall, 2.3t · Jurassic Late

Argentinosaurus

Argentinosaurus huinculensis

35.0m long, 12.0m tall, 70.0t · Cretaceous Late

Explore the Natural World

Discover more across the Nature FYI family

SpeciesFYI Species & Taxonomy BirdFYI 11,000+ Bird Species FishFYI Fish & Marine Life PlantFYI 379,000+ Plants