Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Pseudomonadotaᵀ Garrity et al. 2021
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Pasteurellales Garrity et al. 2005
                     Family Pasteurellaceaeᵀ Pohl 1981
                       Genus Aggregatibacter Nørskov-Lauritsen and Kilian 2006
                         1 Aggregatibacter actinomycetemcomitans (Klinger 1912) Nørskov-Lauritsen and Kilian 2006
                         2 Aggregatibacter aphrophilus (Khairat 1940) Nørskov-Lauritsen and Kilian 2006
                         3 Aggregatibacter segnis (Kilian 1977) Nørskov-Lauritsen and Kilian 2006