Achillesaurus

Name: Achillesaurus ‭(‬Achilles lizard‭)‬.
Phonetic: Ah-kil-le-sore-us.
Named By: Agustín G.‭ ‬Martinelli‭ & ‬Ezequiel I.‭ ‬Vera‭ ‬-‭ ‬2007.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Saurischia,‭ ‬Theropoda,‭ ‬Alvarezsauroidea,‭ ‬Alvarezsauridae.
Species: A.‭ ‬manazzonei‭ (‬type‭)‬.
Diet: Insectivore.
Size: Unavailable.
Known locations: Argentina,‭ ‬Rio Negro Province‭ ‬-‭ ‬Bajo de la Carpa Formation.
Time period: Santonian of the Cretaceous.
Fossil representation: Partial post cranial skeleton.

       Achillesaurus has been identified as a basal alvarezsaur that lived in Argentina during the late Cretaceous,‭ ‬but there is now some question to its validity.‭ ‬Achillesaurus was thought to have lived alongside the type genus of the alvarezsauridae,‭ ‬Alvarezsaurus.‭ ‬A‭ ‬2012‭ ‬study by Makovicky et al.‭ ‬however has raised the notion that Achillesaurus and Alvarezsaurus may in fact be one and the same dinosaur.‭ ‬If so then Achillesaurus would become a synonym of Alvarezsaurus.

Further reading
-‭ ‬Achillesaurus manazzonei,‭ ‬a new alvarezsaurid theropod‭ (‬Dinosauria‭) ‬from the Late Cretaceous Bajo de la Carpa Formation,‭ ‬Río Negro Province,‭ ‬Argentina‭ ‬-‭ ‬Agustín G.‭ ‬Martinelli‭ & ‬Ezequiel I.‭ ‬Vera‭ ‬-‭ ‬2007.
-‭ ‬A New Coelurosaurian Theropod from the La Buitrera Fossil Locality of Río Negro,‭ ‬Argentina‭ ‬-‭ ‬P.‭ ‬J.‭ ‬Makovicky,‭ ‬S.‭ ‬N.‭ ‬Apesteguía,‭ ‬F.‭ ‬A.‭ ‬Gianechini‭ ‬-‭ ‬2012.



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