Ankylosaurus vs Spinosaurus
A detailed side-by-side comparison of Ankylosaurus and Spinosaurus, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| 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.
Compare With Other Dinosaurs
Explore These Dinosaurs
Explore the Natural World
Discover more across the Nature FYI family