Imperium naturæ C. Linnaeus, 1758 - nature
Ref: C. Linnaeus, 1758: 5-8 [new rank]
Mundus Plinius - physical world
Ref: C. Linnaeus, 1758: 5 [new position]
naturalia - natural bodies
Ref: C. Linnaeus, 1758: 6 [implicit position]
Regnum Animale C. Linnaeus, 1758 - animal kingdom
see Kingdom Animalia Linnaeus, 1758
Ref: C. Linnaeus, 1758: 9-13
Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Ref: C. Linnaeus, 1758: 12, 78-85
1 Order Accipitres Linnaeus, 1758
see Suborder Accipitres (C. Linnaeus, 1758)
Ref: C. Linnaeus, 1758: 81, 86
2 Order Picae Linnaeus, 1758
see Parvclass Picae (C. Linnaeus, 1758)
Ref: C. Linnaeus, 1758: 81, 96
3 Order Anseres Linnaeus, 1758
see Suborder Anseres Linnaeus, 1758
Ref: C. Linnaeus, 1758: 81, 122
4 Order Grallae Linnaeus, 1758
Ref: C. Linnaeus, 1758: 82, 139 [new taxon]
5 Order Gallinae Linnaeus, 1758
Ref: C. Linnaeus, 1758: 82, 156
6 Order Passeres Linnaeus, 1758
see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
Ref: C. Linnaeus, 1758: 82, 162