Baryonyx vs Kentrosaurus

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

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

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

Timeline Comparison

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

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.

Classification Comparison

Baryonyx

Clade: Theropoda

Group: Spinosauridae

(Spine lizards)

Kentrosaurus

Clade: Thyreophora

Group: Stegosauria

(Plated dinosaurs)

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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