Achillobator
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Achillobator giganticus Temporal range: Late Cretaceous, 89 Ma |
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| Skeletal restoration by Jaime Headden | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | Saurischia |
| Suborder: | Theropoda |
| Family: | †Dromaeosauridae |
| Clade: | †Eudromaeosauria |
| Subfamily: | †Dromaeosaurinae |
| Genus: |
†Achillobator Perle, Norell, & Clark, 1999 |
| Species: | †A. giganticus |
| Binomial name | |
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Achillobator giganticus Perle, Norell, & Clark, 1999 |
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Achillobator (/əˌkɪləˈbaɪtɔːr/ a-KILL-ə-BAY-tohr) is a dromaeosaurid theropod dinosaur that lived roughly 98 to 83 million years ago during the Late Cretaceous in what is now Mongolia, in Asia. It was among the largest dromaeosaurs; the holotype and only known individual of Achillobator is estimated at 5 to 6 m (16.4 to 19.7 ft) long.Achillobator was a moderately-built, ground-dwelling, bipedal carnivore. It would have been an active predator, hunting with the enlarged, sickle-shaped claw on the second toe.
Fossils of Achillobator were first discovered during a Mongolian and Russian field expedition, and collected by Burkhant in 1989, but the specimen was not described and named until 1999, by Mongolian paleontologist Altangerel Perle, and American paleontologists Mark Norell and Jim Clark, although the description was not complete and was actually published without the knowledge of the latter two paleontologists.
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