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Alxasaurus
Taxonomy
Alxasaurus was named by Russell and Dong (1994). Its type is Alxasaurus elesitaiensis. It was considered monophyletic by Currie (2000).
It was assigned to Therizinosauria by Russell (1997); to Alxasauridae by Russell and Dong (1994), Nessov (1995), Currie (2000) and Zanno et al. (2009); and to Therizinosauroidea by Clark et al. (1995), Xu et al. (2002), Rauhut (2003), Clark et al. (2004), Zanno (2004), Zanno (2006), Li et al. (2007), Li (2008), Zanno (2010), Senter et al. (2012) and Pu et al. (2013).
It was assigned to Therizinosauria by Russell (1997); to Alxasauridae by Russell and Dong (1994), Nessov (1995), Currie (2000) and Zanno et al. (2009); and to Therizinosauroidea by Clark et al. (1995), Xu et al. (2002), Rauhut (2003), Clark et al. (2004), Zanno (2004), Zanno (2006), Li et al. (2007), Li (2008), Zanno (2010), Senter et al. (2012) and Pu et al. (2013).
Species
A. elesitaiensis (type species)
Synonymy list
Year | Name and author |
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1994 | Alxasaurus Russell and Dong p. 2108 |
1995 | Alxasaurus Clark et al. p. 24A |
1995 | Alxasaurus Nessov pp. 35-36 |
1997 | Alxasaurus Russell p. 729 |
2000 | Alxasaurus Currie p. 439 |
2002 | Alxasaurus Xu et al. p. 239 |
2003 | Alxasaurus Rauhut p. 41 |
2004 | Alxasaurus Clark et al. p. 152 |
2004 | Alxasaurus Zanno p. 134A |
2006 | Alxasaurus Zanno p. 648 |
2007 | Alxasaurus Li et al. pp. 546-547 fig. 4 |
2008 | Alxasaurus Li p. 47 |
2009 | Alxasaurus Zanno et al. p. S4 |
2010 | Alxasaurus Zanno p. 516 |
2012 | Alxasaurus Senter et al. p. 11 fig. 7 |
2013 | Alxasaurus Pu et al. |
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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. †Alxasaurus Russell and Dong 1994
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†Alxasaurus elesitaiensis Russell and Dong 1994
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: superf = superfamily, o = order | |||||
References: Marsh 1875, Holtz et al. 2000 |