Ankylosaurus vs Maiasaura

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

Side-by-Side Comparison

Eigenschaft Ankylosaurus Maiasaura
Wissenschaftlicher Name Ankylosaurus magniventris Maiasaura peeblesorum
Klassifikation Ankylosauria Hadrosauridae
Zeitraum Cretaceous Late Cretaceous Late
Ernährung Herbivore Herbivore
Länge 10.0 m 9.0 m
Height 1.7 m 2.3 m
Gewicht 6.0 t 4.0 t
Entdeckungsjahr 1908 1979
Fundort Hell Creek Formation, Montana, USA Two Medicine Formation, Montana, USA
Benannt von Barnum Brown Jack Horner & Robert Makela

Size Comparison

Ankylosaurus 10.0 m

about as long as 2 cars end-to-end

Maiasaura 9.0 m

roughly the length of a large SUV

Weight Comparison

Ankylosaurus 6.0 t

about the weight of 1.0 elephants

Maiasaura 4.0 t

comparable to 4.0 small cars

Timeline Comparison

Ankylosaurus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya
Maiasaura
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

Ankylosaurus and Maiasaura both lived during the Cretaceous Late period and may have shared the same habitats.

Diet Comparison

Ankylosaurus

Herbivore

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

Maiasaura

Herbivore

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

Classification Comparison

Ankylosaurus

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

Maiasaura

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

Did You Know?

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Both Ankylosaurus and Maiasaura were herbivores.

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

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Ankylosaurus was discovered 71 years earlier, in 1908.

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Ankylosaurus belonged to Ankylosauria while Maiasaura belonged to Hadrosauridae.

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