Coelophysis vs Muttaburrasaurus

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

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Side-by-Side Comparison

Property Coelophysis Muttaburrasaurus
Scientific Name Coelophysis bauri Muttaburrasaurus langdoni
Classification Theropoda Ornithischia
Period Triassic Late Cretaceous Early
Diet Carnivore Herbivore
Length 3.0 m 7.0 m
Height 1.0 m 2.5 m
Weight 20 kg 2.8 t
Discovery Year 1889 1981
Discovery Location Ghost Ranch, New Mexico, USA Muttaburra, Queensland, Australia
Named By Edward Drinker Cope Alan Bartholomai & Ralph Molnar
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Size Comparison

Coelophysis 3.0 m

about the size of a human adult

Muttaburrasaurus 7.0 m

roughly the length of a large SUV

Weight Comparison

Coelophysis 20 kg

lighter than a human adult

Muttaburrasaurus 2.8 t

comparable to 2.8 small cars

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Timeline Comparison

Coelophysis
237.0 Mya Triassic Late (Mesozoic) 201.4 Mya
Muttaburrasaurus
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Coelophysis

Carnivore

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

Muttaburrasaurus

Herbivore

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

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Classification Comparison

Coelophysis

Clade: Saurischia

Group: Theropoda

(Beast feet)

Muttaburrasaurus

Group: Ornithischia

(Bird-hipped dinosaurs)

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Did You Know?

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Muttaburrasaurus was about 2.3x longer than Coelophysis.

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Muttaburrasaurus weighed roughly 140x more than Coelophysis.

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Coelophysis was a carnivore while Muttaburrasaurus was a herbivore.

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Coelophysis lived during the Triassic Late while Muttaburrasaurus lived during the Cretaceous Early, separated by roughly 56 million years.

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Coelophysis was discovered 92 years earlier, in 1889.

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Coelophysis belonged to Theropoda while Muttaburrasaurus belonged to Ornithischia.

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