Achillesaurus
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| Achillesaurus Fossil range: Late Cretaceous |
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A. manazzonei Martinelli and Vera, 2007 (type) |
Achillesaurus (named in reference to Achilles' heel, because diagnostic features are found there for this animal) is a genus of alvarezsaurid theropod dinosaur from the Santonian-age Upper Cretaceous Bajo de la Carpa Formation of Rio Negro, Argentina. It was a relatively large, basal alvarezsaurid, and a contemporary of Alvarezsaurus. Achillesaurus is based on MACN-PV-RN 1116, a partial skeleton including a sacral vertebra, four tail vertebrae, part of the left thighbone, shin and foot, and the left ilium. Agustín Martinelli and Ezequiel Vera, who described the specimen, performed a phylogenetic analysis and found their new genus to be an alvarezsaurid with an unresolved relationship to Alvarezsaurus and more derived alvarezsaurids.[1]
[edit] References
- ^ Martinelli, Agustín G.; and Vera, Ezequiel I. (2007). "Achillesaurus manazzonei, a new alvarezsaurid theropod (Dinosauria) from the Late Cretaceous Bajo de la Carpa Formation, Río Negro Province, Argentina". Zootaxa 1582: 1–17.
[edit] External links
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