Ankylosaurus vs Spinosaurus
A detailed side-by-side comparison of Ankylosaurus and Spinosaurus, covering size, diet, classification, geologic period, and discovery history.
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| Property | Ankylosaurus | Spinosaurus |
|---|---|---|
| Scientific Name | Ankylosaurus magniventris | Spinosaurus aegyptiacus |
| Classification | Ankylosauria | Spinosauridae |
| Period | Cretaceous Late | Cretaceous Early |
| Diet | Herbivore | Piscivore |
| Length | 10.0 m | 15.0 m |
| Height | 1.7 m | 5.2 m |
| Weight | 6.0 t | 7.4 t |
| Discovery Year | 1908 | 1912 |
| Discovery Location | Hell Creek Formation, Montana, USA | Bahariya Oasis, Egypt |
| Named By | Barnum Brown | Ernst Stromer |
Size Comparison
about as long as 2 cars end-to-end
about as long as 3 cars end-to-end
Weight Comparison
about the weight of 1.0 elephants
about the weight of 1.2 elephants
Timeline Comparison
Diet Comparison
Ankylosaurus
HerbivoreAnkylosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Spinosaurus
PiscivoreSpinosaurus was a fish-eater, specialized in catching aquatic prey.
Classification Comparison
Ankylosaurus
Spinosaurus
Did You Know?
Spinosaurus was about 1.5x longer than Ankylosaurus.
Ankylosaurus was a herbivore while Spinosaurus was a piscivore.
Ankylosaurus lived during the Cretaceous Late while Spinosaurus lived during the Cretaceous Early, separated by roughly 79 million years.
Ankylosaurus was discovered 4 years earlier, in 1908.
Ankylosaurus belonged to Ankylosauria while Spinosaurus belonged to Spinosauridae.
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