Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia
Current position
Historical positions
| Neornithes (Subclass) Gadow, 1893 |
Ref:
C.M. Perrins, 1991 (1990): 19.
|
| Neornithes (Subclass) Gadow, 1893 |
Ref:
R.L. Carroll, 1988: 624.
|
| Neornithes (Subclass) Gadow, 1893 |
Ref:
A.S. Romer & T.S. Parsons, 1986
|
| Neornithes (Subclass) Gadow, 1893 |
Ref:
W.J. Bock, 1982: 969-970.
|
| Neornithes (Subclass) Gadow, 1893 |
Ref:
T.I. Storer et al., 1979
|
Number of Subtaxa