Diplodocus vs Ornithomimus
A detailed side-by-side comparison of Diplodocus and Ornithomimus, covering size, diet, classification, geologic period, and discovery history.
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| Property | Diplodocus | Ornithomimus |
|---|---|---|
| Scientific Name | Diplodocus longus | Ornithomimus edmontonicus |
| Classification | Sauropoda | Ornithomimosauria |
| Period | Jurassic Late | Cretaceous Late |
| Diet | Herbivore | Omnivore |
| Length | 25.0 m | 3.8 m |
| Height | 5.0 m | 1.4 m |
| Weight | 14.0 t | 170 kg |
| Discovery Year | 1878 | 1890 |
| Discovery Location | Canon City, Colorado, USA | Alberta, Canada |
| Named By | Othniel Charles Marsh | Othniel Charles Marsh |
Size Comparison
about as long as 5 cars end-to-end
about the size of a human adult
Weight Comparison
about the weight of 2.3 elephants
about 2 adult humans
Timeline Comparison
Diet Comparison
Diplodocus
HerbivoreDiplodocus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Ornithomimus
OmnivoreOrnithomimus had an omnivorous diet, consuming both plants and small animals.
Classification Comparison
Diplodocus
Ornithomimus
Did You Know?
Diplodocus was about 6.6x longer than Ornithomimus.
Diplodocus weighed roughly 82x more than Ornithomimus.
Diplodocus was a herbivore while Ornithomimus was a omnivore.
Diplodocus lived during the Jurassic Late while Ornithomimus lived during the Cretaceous Late, separated by roughly 44 million years.
Diplodocus was discovered 12 years earlier, in 1878.
Diplodocus belonged to Sauropoda while Ornithomimus belonged to Ornithomimosauria.
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