Compsognathus vs Sauropelta

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

Side-by-Side Comparison

Property Compsognathus Sauropelta
Scientific Name Compsognathus longipes Sauropelta edwardsorum
Classification Theropoda Ankylosauria
Period Jurassic Late Cretaceous Early
Diet Carnivore Herbivore
Length 1.0 m 5.2 m
Height 0.3 m 1.5 m
Weight 3 kg 1.5 t
Discovery Year 1859 1970
Discovery Location Riedenburg, Bavaria, Germany Cloverly Formation, Montana, USA
Named By Johann A. Wagner John Ostrom

Size Comparison

Compsognathus 1.0 m

smaller than a human child

Sauropelta 5.2 m

roughly the length of a large SUV

Weight Comparison

Compsognathus 3 kg

lighter than a human adult

Sauropelta 1.5 t

comparable to 1.5 small cars

Timeline Comparison

Compsognathus
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Sauropelta
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya

Diet Comparison

Compsognathus

Carnivore

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

Sauropelta

Herbivore

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

Classification Comparison

Compsognathus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Sauropelta

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

Did You Know?

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Sauropelta was about 5.2x longer than Compsognathus.

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Sauropelta weighed roughly 500x more than Compsognathus.

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Compsognathus was a carnivore while Sauropelta was a herbivore.

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Compsognathus lived during the Jurassic Late while Sauropelta lived during the Cretaceous Early, separated by roughly 0 million years.

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Compsognathus was discovered 111 years earlier, in 1859.

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Compsognathus belonged to Theropoda while Sauropelta belonged to Ankylosauria.

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