Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Charadriiformes - (Family) Alcidae
Current position
Historical positions
| Alca (Genus) Linnaeus, 1758 |
Ref:
E.C. Dickinson, 2003: 154.
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
B.C. Livezey & R.L. Zusi, 2007: 92.
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
J. van der Land, 2001: 375.
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
B.L. Monroe Jr. & C.G. Sibley, 1993: 115.
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
C.M. Perrins, 1991 (1990)
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
B. Grzimek et al., 1975 (1969): 566.
|
| Alca (Genus) Linnaeus, 1758 |
Ref:
C. Linnaeus, 1758: 130.
[new taxon] |
Number of Subtaxa