Anchiornis vs Maiasaura
A detailed side-by-side comparison of Anchiornis and Maiasaura, covering size, diet, classification, geologic period, and discovery history.
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| Property | Anchiornis | Maiasaura |
|---|---|---|
| Scientific Name | Anchiornis huxleyi | Maiasaura peeblesorum |
| Classification | Theropoda | Hadrosauridae |
| Period | Jurassic Late | Cretaceous Late |
| Diet | Insectivore | Herbivore |
| Length | 0.4 m | 9.0 m |
| Height | 0.2 m | 2.3 m |
| Weight | 0 kg | 4.0 t |
| Discovery Year | 2009 | 1979 |
| Discovery Location | Tiaojishan Formation, China | Two Medicine Formation, Montana, USA |
| Named By | Xu Xing et al. | Jack Horner & Robert Makela |
Size Comparison
smaller than a human child
roughly the length of a large SUV
Weight Comparison
lighter than a human adult
comparable to 4.0 small cars
Timeline Comparison
Diet Comparison
Anchiornis
InsectivoreAnchiornis primarily fed on insects and other small invertebrates.
Maiasaura
HerbivoreMaiasaura was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Anchiornis
Maiasaura
Did You Know?
Maiasaura was about 22.5x longer than Anchiornis.
Maiasaura weighed roughly 40000x more than Anchiornis.
Anchiornis was a insectivore while Maiasaura was a herbivore.
Anchiornis lived during the Jurassic Late while Maiasaura lived during the Cretaceous Late, separated by roughly 44 million years.
Maiasaura was discovered 30 years earlier, in 1979.
Anchiornis belonged to Theropoda while Maiasaura belonged to Hadrosauridae.
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