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Amargasaurus
Taxonomy
Amargasaurus was named by Bonaparte (1984).
It was assigned to Sauropoda by Bonaparte (1984); to Titanosauridae by Chatterjee and Rudra (1996); to Diplodocidae by Calvo and Salgado (1995), Jacobs et al. (1996); to Dicraeosaurinae by McIntosh (1997), Salgado (1999); to Diplodocoidea by Xing et al. (2015); to Dicraeosauridae by Xu et al. (2018), Gallina et al. (2019), Mannion et al. (2019); to Dicraeosauridae by Salgado and Bonaparte (1991), Molnar (1992), Salgado and Calvo (1992), Upchurch (1995), Upchurch (1995), Bonaparte (1996), Wilson and Smith (1996), Novas (1997), Sereno (1997), Wilson and Sereno (1998), Bonaparte (1999), Wilson (2002), Ruiz-Omeñaca and Canudo (2003), Upchurch et al. (2004), Harris and Dodson (2004), Salgado and Coria (2005), Gallina and Apesteguía (2005), Taylor and Naish (2005), Rauhut et al. (2005), Salgado et al. (2006), Remes (2006), Apesteguía (2007), Wilson et al. (2009), Suteethorn et al. (2010), Ksepka and Norell (2010), Whitlock (2011), Ibiricu et al. (2012), Mannion et al. (2012), Tschopp and Mateus (2013), Pereda-Suberbiola et al. (2013), Mocho et al. (2014), Windholz et al. (2021), Paulina-Carabajal and Calvo (2021); and to Dicraeosaurinae by Mannion and Moore (2025).
It was assigned to Sauropoda by Bonaparte (1984); to Titanosauridae by Chatterjee and Rudra (1996); to Diplodocidae by Calvo and Salgado (1995), Jacobs et al. (1996); to Dicraeosaurinae by McIntosh (1997), Salgado (1999); to Diplodocoidea by Xing et al. (2015); to Dicraeosauridae by Xu et al. (2018), Gallina et al. (2019), Mannion et al. (2019); to Dicraeosauridae by Salgado and Bonaparte (1991), Molnar (1992), Salgado and Calvo (1992), Upchurch (1995), Upchurch (1995), Bonaparte (1996), Wilson and Smith (1996), Novas (1997), Sereno (1997), Wilson and Sereno (1998), Bonaparte (1999), Wilson (2002), Ruiz-Omeñaca and Canudo (2003), Upchurch et al. (2004), Harris and Dodson (2004), Salgado and Coria (2005), Gallina and Apesteguía (2005), Taylor and Naish (2005), Rauhut et al. (2005), Salgado et al. (2006), Remes (2006), Apesteguía (2007), Wilson et al. (2009), Suteethorn et al. (2010), Ksepka and Norell (2010), Whitlock (2011), Ibiricu et al. (2012), Mannion et al. (2012), Tschopp and Mateus (2013), Pereda-Suberbiola et al. (2013), Mocho et al. (2014), Windholz et al. (2021), Paulina-Carabajal and Calvo (2021); and to Dicraeosaurinae by Mannion and Moore (2025).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Amargasaurus Bonaparte p. 136 |
| 1991 | Amargasaurus Salgado and Bonaparte |
| 1992 | Amargasaurus Molnar p. 265 |
| 1992 | Amargasaurus Salgado and Calvo p. 337 |
| 1995 | Amargasaurus Calvo and Salgado p. 30 fig. 18 |
| 1995 | Amargasaurus Upchurch p. 253 |
| 1996 | Amargasaurus Bonaparte pp. 96-97 |
| 1996 | Amargosaurus Chatterjee and Rudra p. 515 |
| 1996 | Amargasaurus Jacobs et al. p. 602 |
| 1996 | Amargasaurus Wilson and Smith p. 73A |
| 1997 | Amargasaurus McIntosh p. 657 |
| 1997 | Amargasaurus Novas p. 684 |
| 1997 | Amargasaurus Sereno p. 453 |
| 1998 | Amargasaurus Wilson and Sereno p. 17 |
| 1999 | Amargasaurus Bonaparte p. 154 |
| 1999 | Amargasaurus Salgado p. 204 |
| 2002 | Amargasaurus Wilson p. 240 fig. 13 |
| 2003 | Amargasaurus Ruiz-Omeñaca and Canudo p. 295 |
| 2004 | Amargasaurus Harris and Dodson p. 207 fig. 4 |
| 2004 | Amargasaurus Upchurch et al. p. 264 |
| 2005 | Amargasaurus Gallina and Apesteguía p. 159 fig. 5 |
| 2005 | Amargasaurus Rauhut et al. p. 672 fig. 2 |
| 2005 | Amargasaurus Salgado and Coria p. 435 |
| 2005 | Amargasaurus Taylor and Naish p. 3 |
| 2006 | Amargasaurus Remes p. 664 fig. 9 |
| 2006 | Amargasaurus Salgado et al. p. 704 fig. 9 |
| 2007 | Amargasaurus Apesteguía p. 539 |
| 2009 | Amargasaurus Wilson et al. p. 27 |
| 2010 | Amargasaurus Ksepka and Norell |
| 2010 | Amargasaurus Suteethorn et al. |
| 2011 | Amargasaurus Whitlock |
| 2012 | Amargasaurus Ibiricu et al. p. 226 |
| 2012 | Amargasaurus Mannion et al. |
| 2013 | Amargasaurus Pereda-Suberbiola et al. p. 66 |
| 2013 | Amargasaurus Tschopp and Mateus p. 877 fig. 11 |
| 2014 | Amargasaurus Mocho et al. |
| 2015 | Amargasaurus Xing et al. |
| 2018 | Amargasaurus Xu et al. |
| 2019 | Amargasaurus Gallina et al. p. 6 |
| 2019 | Amargasaurus Mannion et al. |
| 2021 | Amargasaurus Paulina-Carabajal and Calvo p. 5 |
| 2021 | Amargasaurus Windholz et al. |
| 2025 | Amargasaurus Mannion and Moore |
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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.
G. †Amargasaurus Bonaparte 1984
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†Amargasaurus cazaui Salgado and Bonaparte 1991
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Invalid names: Amargasaurus groeberi Bonaparte 1984 [replaced]
Diagnosis
No diagnoses are available