Reptilia - Dinosauria - Alvarezsauridae

Full reference: A. G. Martinelli and E. I. Vera. 2007. Achillesaurus manzzonei, a new alvarezsaurid theropod (Dinosauria) from the Late Cretaceous Bajo de la Carpa Formation, Río Negro Province, Argentina. Zootaxa 1582:1-17

Parent taxon: Alvarezsauridae according to X. Xu et al. 2010

Sister taxa: Albinykus, Alnashetri, Alvarezsaurus, Elopteryx, Kol, Parvicursorinae, Patagonykinae, Patagonykus

Subtaxa: Achillesaurus manazzonei

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Ecology: ground dwelling carnivore