Amtosaurus

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Amtosaurus (IPA: /ɑmtəˈsɔɹəs/; Kurzanov & Tumanova, 1978) was a dinosaur based upon a fragmentary skull collected from the Upper Cretaceous Bayanshiree Svita Formation (Cenomanian-Santonian) of Mongolia and originally believed to represent an ankylosaurid. However, these fossils appear to have actually belonged to a hadrosaur and are indeterminate. Hence, Parish & Barrett (2004) declared the taxon a nomen dubium. A second species assigned to the genus, A. archibaldi, has become the basis a valid anklyosaurid taxon, Bissektipelta.

[edit] References

  • 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 & Paul Barrett, 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.
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