Baryonyx vs Kentrosaurus

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

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Side-by-Side Comparison

Property Baryonyx Kentrosaurus
Scientific Name Baryonyx walkeri Kentrosaurus aethiopicus
Classification Spinosauridae Stegosauria
Period Cretaceous Early Jurassic Late
Diet Piscivore Herbivore
Length 7.5 m 4.5 m
Height 2.5 m 1.5 m
Weight 1.7 t 700 kg
Discovery Year 1983 1915
Discovery Location Surrey, England Tendaguru Formation, Tanzania
Named By Alan Charig & Angela Milner Edwin Hennig
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Size Comparison

Baryonyx 7.5 m

roughly the length of a large SUV

Kentrosaurus 4.5 m

roughly the length of a large SUV

Weight Comparison

Baryonyx 1.7 t

comparable to 1.7 small cars

Kentrosaurus 700 kg

about 10 adult humans

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Timeline Comparison

Baryonyx
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
Kentrosaurus
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
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Diet Comparison

Baryonyx

Piscivore

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

Kentrosaurus

Herbivore

Kentrosaurus 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)

Kentrosaurus

Clade: Thyreophora

Group: Stegosauria

(Plated dinosaurs)

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Did You Know?

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Baryonyx was about 1.7x longer than Kentrosaurus.

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Baryonyx weighed roughly 2x more than Kentrosaurus.

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Baryonyx was a piscivore while Kentrosaurus was a herbivore.

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Baryonyx lived during the Cretaceous Early while Kentrosaurus lived during the Jurassic Late, separated by roughly 61 million years.

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Kentrosaurus was discovered 68 years earlier, in 1915.

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Baryonyx belonged to Spinosauridae while Kentrosaurus belonged to Stegosauria.

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