Iguanodon vs Maiasaura
A detailed side-by-side comparison of Iguanodon and Maiasaura, covering size, diet, classification, geologic period, and discovery history.
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| 属性 | Iguanodon | Maiasaura |
|---|---|---|
| 学名 | Iguanodon bernissartensis | Maiasaura peeblesorum |
| 分類 | Ornithischia | Hadrosauridae |
| 時代 | Cretaceous Early | Cretaceous Late |
| 食性 | Herbivore | Herbivore |
| 全長 | 10.0 m | 9.0 m |
| Height | 3.0 m | 2.3 m |
| 体重 | 3.4 t | 4.0 t |
| 発見年 | 1825 | 1979 |
| 発見場所 | Sussex, England | Two Medicine Formation, Montana, USA |
| 命名者 | Gideon Mantell | Jack Horner & Robert Makela |
Size Comparison
about as long as 2 cars end-to-end
roughly the length of a large SUV
Weight Comparison
comparable to 3.4 small cars
comparable to 4.0 small cars
Timeline Comparison
Diet Comparison
Iguanodon
HerbivoreIguanodon was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Maiasaura
HerbivoreMaiasaura was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Iguanodon
Group: Ornithischia
(Bird-hipped dinosaurs)
Maiasaura
主な相違点
- Iguanodon was discovered in 1825 — one of the first dinosaurs ever named; Maiasaura was described in 1979.
- Iguanodon (10 m, ~3,400 kg) and Maiasaura (9 m, ~4,000 kg) were similar-sized herbivorous ornithopods.
- Iguanodon had a distinctive thumb spike used for defense or food gathering; Maiasaura lacked this feature.
- Maiasaura is celebrated for demonstrating dinosaur parental care; Iguanodon's social behavior is less well-understood.
- Iguanodon lived in Early Cretaceous Europe; Maiasaura in Late Cretaceous North America.
Did You Know?
Both Iguanodon and Maiasaura were herbivores.
Iguanodon lived during the Cretaceous Early while Maiasaura lived during the Cretaceous Late, separated by roughly 0 million years.
Iguanodon was discovered 154 years earlier, in 1825.
Iguanodon belonged to Ornithischia while Maiasaura belonged to Hadrosauridae.
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