living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Bacteria (Haeckel 1894) see Domain Bacteria Woese et al. 1990
         "Gram-negative cocci and coccobacilli"
           Family Neisseriaceae Prévot 1933 (Approved Lists 1980)
             Genus Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980)
               Acinetobacter calcoaceticus (Beijerinck 1911) Baumann et al. 1968 (Approved Lists 1980)