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Achillesaurus manazzonei
Taxonomy
Achillesaurus manazzonei was named by Martinelli and Vera (2007). Its type specimen is MACN-PV-RN 1116, a set of postcrania, and it is a 3D body fossil. Its type locality is Paso Córdova [Bajo de la Carpa], which is in a Santonian terrestrial sandstone in the Bajo de la Carpa Formation of Argentina. It is the type species of Achillesaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Achillesaurus manazzonei Martinelli and Vera pp. 3-4 figs. 2-4, 6, 8, 10 |
| 2009 | Achillesaurus manazzonei Ezcurra and Méndez p. 547 |
| 2009 | Achillesaurus manazzonei Longrich and Currie p. 240 |
| 2010 | Achillesaurus manazzonei Xu et al. p. 14 fig. 8 |
| 2011 | Achillesaurus manazzonei Gianechini et al. p. 7 |
| 2012 | Achillesaurus manazzonei Agnolin et al. p. 45 |
| 2013 | Achillesaurus manazzonei Novas et al. p. 188 |
| 2014 | Achillesaurus manazzonei Delcourt and Grillo p. 312 |
| 2015 | Achillesaurus manazzonei Méndez et al. p. 28 |
| 2016 | Achillesaurus manazzonei Cruzado-Caballero et al. p. 53 |
| 2016 | Achillesaurus manazonnei Filippi et al. p. 210 |
| 2018 | Achillesaurus manazzonei Díaz-Martínez et al. p. 208 |
| 2023 | Achillesaurus manazzonei Averianov et al. p. 69 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Achillesaurus manazzonei Martinelli and Vera 2007
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. G. Martinelli and E. I. Vera 2007 | Relatively large alvarezsaurid with the following autapomorphies: presence of a biconcave,
possible fourth, caudal vertebra with the cranial surface 30 % larger in diameter than the caudal one. Achillesaurus differs from Alvarezsaurus calvoi in the presence of a lateral fossa in the proximal caudal centra, less developed supraacetabular crest, brevis shelf not reaching the base of the ischial pedicel, and lateral malleolus of the tibia at the same level of the medial one. Achillesaurus differs from Patagonykus and Mononykinae in the presence of an almost undeveloped supraacetabular crest, unfused astragalus and calcaneum, and from Mononykinae in the distally unreduced fibula and a non-arctometatarsalian pes. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||