Baryonyx vs Sauropelta

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

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Side-by-Side Comparison

Property Baryonyx Sauropelta
Scientific Name Baryonyx walkeri Sauropelta edwardsorum
Classification Spinosauridae Ankylosauria
Period Cretaceous Early Cretaceous Early
Diet Piscivore Herbivore
Length 7.5 m 5.2 m
Height 2.5 m 1.5 m
Weight 1.7 t 1.5 t
Discovery Year 1983 1970
Discovery Location Surrey, England Cloverly Formation, Montana, USA
Named By Alan Charig & Angela Milner John Ostrom
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Size Comparison

Baryonyx 7.5 m

roughly the length of a large SUV

Sauropelta 5.2 m

roughly the length of a large SUV

Weight Comparison

Baryonyx 1.7 t

comparable to 1.7 small cars

Sauropelta 1.5 t

comparable to 1.5 small cars

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Timeline Comparison

Baryonyx
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
Sauropelta
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya

Baryonyx and Sauropelta both lived during the Cretaceous Early period and may have shared the same habitats.

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Diet Comparison

Baryonyx

Piscivore

Baryonyx was a fish-eater, specialized in catching aquatic prey.

Sauropelta

Herbivore

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

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Classification Comparison

Baryonyx

Clade: Theropoda

Group: Spinosauridae

(Spine lizards)

Sauropelta

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

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Did You Know?

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Baryonyx was a piscivore while Sauropelta was a herbivore.

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

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Sauropelta was discovered 13 years earlier, in 1970.

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Baryonyx belonged to Spinosauridae while Sauropelta belonged to Ankylosauria.

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