Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Animale Regnum" nom. inval. - animal kingdom] see Kingdom Animalia Linnaeus, 1758
           [Class "Aves" Plinius, nom. inval. - birds] see Class Aves Linnaeus, 1758
             [Order "Passeres" nom. inval.] see Order Passeres Linnaeus, 1758
               [Genus "Luscinia" nom. inval.] see Genus Motacilla Linnaeus, 1758
               01 [Genus "Columba" nom. inval.] see Genus Columba Linnaeus, 1758
               02 [Genus "Turdus" nom. inval.] see Genus Turdus Linnaeus, 1758
               03 [Genus "Sturnus" nom. inval.] see Genus Sturnus Linnaeus, 1758
               04 [Genus "Alauda" nom. inval.] see Genus Alauda Linnaeus, 1758
               05 [Genus "Trochilus" nom. inval.] see Genus Trochilus Linnaeus, 1758
               06 [Genus "Sitta" nom. inval.] see Genus Sitta Linnaeus, 1758
               07 [Genus "Ampelis" nom. inval.] see Genus Ampelis Linnaeus, 1766
               08 [Genus "Loxia" nom. inval.] see Genus Loxia Linnaeus, 1758
               09 [Genus "Fringilla" nom. inval.] see Genus Fringilla Linnaeus, 1758
               10 [Genus "Emberiza" Linnaeus, 1748] see Genus Emberiza Linnaeus, 1758
               11 [Genus "Motacilla" nom. inval.] see Genus Motacilla Linnaeus, 1758
               12 [Genus "Parus" nom. inval.] see Genus Parus Linnaeus, 1758
               13 [Genus "Hirundo" nom. inval.] see Genus Hirundo Linnaeus, 1758
               14 [Genus "Procellaria" Linnaeus, 1748] see Genus Procellaria Linnaeus, 1758