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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), Nesbitt (2011).
It was assigned to Pseudosuchia by Welles (1947); to Erythrosuchidae by Charig and Sues (1976), Carroll (1988), Hunt (1993); to Poposauria by Nesbitt (2003); to Suchia by Nesbitt (2005); to Poposauroidea by Weinbaum and Hungerbühler (2007); to Poposauroidea by Nesbitt (2011); to Ctenosauriscidae by Butler et al. (2011); and to Ctenosauriscidae by Nesbitt et al. (2011).
It was assigned to Pseudosuchia by Welles (1947); to Erythrosuchidae by Charig and Sues (1976), Carroll (1988), Hunt (1993); to Poposauria by Nesbitt (2003); to Suchia by Nesbitt (2005); to Poposauroidea by Weinbaum and Hungerbühler (2007); to Poposauroidea by Nesbitt (2011); to Ctenosauriscidae by Butler et al. (2011); and to Ctenosauriscidae by Nesbitt et al. (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
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Benton 1983, Kiessling 2004 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aegean - Bithynian | USA (Arizona) | A. babbitti (34888 95092 95094 95095 95112) | |
| Aegean - Bithynian | USA (New Mexico) | A. babbitti (135441) |