Amtosaurus
| Amtosaurus Temporal range: Late Cretaceous,
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|---|---|
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| Skull fragment | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Family: | †incertae sedis |
| Genus: | †Amtosaurus Kurzanov & Tumanova, 1978 |
| Species: | †A. magnus
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| Binomial name | |
| †Amtosaurus magnus Kurzanov & Tumanova, 1978
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Amtosaurus (/ˌɑːmtoʊˈsɔːrəs/; "Amtgai lizard") is a genus of ornithischian dinosaur based on a fragmentary skull collected from the Upper Cretaceous Bayan Shireh Formation (Cenomanian to Santonian) of Mongolia and originally believed to represent an ankylosaurid.[1] Hadrosaurid affinities have also been suggested.[1] However, per Parish and Barrett, this specimen is too fragmentary to be reliably classified beyond an indeterminate ornithischian. A second species assigned to the genus, A. archibaldi, has become the basis of a valid ankylosaurid taxon, Bissektipelta.[2]
References
[edit]- ^ a b Kurzanov, S. M., & Tumanova, T. A. 1978. [On the structure on the endocranium in some ankylosaurs from Mongolia]. Paleontol. Zh. 1978:90-96.
- ^ Parish, Jolyon; Barrett, Paul (2004). "A reappraisal of the ornithischian dinosaur Amtosaurus magnus Kurzanov and Tumanova 1978, with comments on the status of A. archibaldi Averianov 2002". Canadian Journal of Earth Sciences. 41 (3): 299–306. Bibcode:2004CaJES..41..299P. doi:10.1139/e03-101.
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