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Arizonasaurus
Taxonomy
Arizonasaurus was named by Welles (1947). Its type is Arizonasaurus babbitti. It was considered monophyletic by Nesbitt et al. (2011) and Nesbitt (2011).
It was assigned to Pseudosuchia by Welles (1947); to Erythrosuchidae by Charig and Sues (1976), Carroll (1988) and Hunt (1993); to Poposauria by Nesbitt (2003); to Suchia by Nesbitt (2005); to Poposauroidea by Weinbaum and Hungerbühler (2007); to Ctenosauriscidae by Butler et al. (2011); to Ctenosauriscidae by Nesbitt et al. (2011); and to Poposauroidea by Nesbitt (2011).
It was assigned to Pseudosuchia by Welles (1947); to Erythrosuchidae by Charig and Sues (1976), Carroll (1988) and Hunt (1993); to Poposauria by Nesbitt (2003); to Suchia by Nesbitt (2005); to Poposauroidea by Weinbaum and Hungerbühler (2007); to Ctenosauriscidae by Butler et al. (2011); to Ctenosauriscidae by Nesbitt et al. (2011); and to Poposauroidea by Nesbitt (2011).
Species
A. babbitti (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Arizonasaurus Welles |
| 1976 | Arizonasaurus Charig and Sues p. 37 |
| 1988 | Arizonasaurus Carroll |
| 1993 | Arizonasaurus Hunt |
| 2003 | Arizonasaurus Nesbitt p. S234 |
| 2005 | Arizonasaurus Nesbitt |
| 2007 | Arizonasaurus Weinbaum and Hungerbühler p. 142 |
| 2011 | Arizonasaurus Butler et al. |
| 2011 | Arizonasaurus Nesbitt fig. 51 |
| 2011 | Arizonasaurus Nesbitt et al. p. 272 |
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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.
Diagnosis
No diagnoses are available