Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Psittaciformes
Current position
Historical positions
| Psittaciformes (Order) Wagler, 1830 |
Ref:
B.C. Livezey & R.L. Zusi, 2007: 93.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
E.C. Dickinson, 2003: 23, 181.
[rough position] [indirect] |
| Psittaciformes (Order) Wagler, 1830 |
Ref:
1995
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
B.L. Monroe Jr. & C.G. Sibley, 1993: 48.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
C.M. Perrins, 1991 (1990): 376.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
R.L. Carroll, 1988: 625.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
W.J. Bock, 1982: 987.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
B. Grzimek et al., 1975 (1969): 570.
|
| Psittaciformes (Order) Wagler, 1830 |
Ref:
P. Brodkorb, 1971: 207.
|
Number of Subtaxa