Class
Aves Linnaeus, 1758
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Class | Aves |
| Order | Archaeopterygiformes |
| Class | Conodonta |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Class | Aves |
| Order | Archaeopterygiformes |
| Class | Conodonta |